{"id":845,"date":"2022-08-19T02:07:14","date_gmt":"2022-08-19T02:07:14","guid":{"rendered":"https:\/\/physics.educour.in\/ncert\/?p=845"},"modified":"2022-08-19T02:20:40","modified_gmt":"2022-08-19T02:20:40","slug":"ncert-class-11-physics-chapter-4","status":"publish","type":"post","link":"https:\/\/physics.educour.in\/ncert\/ncert-class-11-physics-chapter-4\/","title":{"rendered":"NCERT Class 11 Physics Chapter 4"},"content":{"rendered":"\t\t<div data-elementor-type=\"wp-post\" data-elementor-id=\"845\" class=\"elementor elementor-845\">\n\t\t\t\t\t\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-dd16f24 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"dd16f24\" data-element_type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-0ca7230\" data-id=\"0ca7230\" data-element_type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t\t\t<div class=\"elementor-element elementor-element-0e2c63b elementor-widget elementor-widget-text-editor\" data-id=\"0e2c63b\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t<style>\/*! elementor - v3.6.0 - 21-03-2022 *\/\n.elementor-widget-text-editor.elementor-drop-cap-view-stacked .elementor-drop-cap{background-color:#818a91;color:#fff}.elementor-widget-text-editor.elementor-drop-cap-view-framed .elementor-drop-cap{color:#818a91;border:3px solid;background-color:transparent}.elementor-widget-text-editor:not(.elementor-drop-cap-view-default) .elementor-drop-cap{margin-top:8px}.elementor-widget-text-editor:not(.elementor-drop-cap-view-default) .elementor-drop-cap-letter{width:1em;height:1em}.elementor-widget-text-editor .elementor-drop-cap{float:left;text-align:center;line-height:1;font-size:50px}.elementor-widget-text-editor .elementor-drop-cap-letter{display:inline-block}<\/style>\t\t\t\t<h1><span style=\"font-size: 36pt; color: #000080;\">MOTION IN A PLANE <\/span><span style=\"color: #ff6600; font-size: 24pt;\">(NCERT Chapter 4)<\/span><\/h1>\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-9506987 elementor-widget elementor-widget-text-editor\" data-id=\"9506987\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<h3>Contents:<\/h3>\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<section class=\"elementor-section elementor-inner-section elementor-element elementor-element-7f1bfe3 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"7f1bfe3\" data-element_type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-inner-column elementor-element elementor-element-375c9cb\" data-id=\"375c9cb\" data-element_type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t\t\t<div class=\"elementor-element elementor-element-1134ca0 elementor-widget elementor-widget-text-editor\" data-id=\"1134ca0\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<h2><span style=\"color: #000080;\">1. VECTORS<\/span> <span style=\"color: #ff6600; font-size: 18pt;\">[Page No 65 \u2013 72]<\/span><\/h2><p><a href=\"#4_2\"><span style=\"color: #000080; font-size: 12pt;\">4.1 INTRODUCTION<\/span><\/a><\/p><p><a href=\"#4_2\"><span style=\"color: #000080; font-size: 12pt;\">4.2 SCALARS AND VECTORS<\/span><\/a><\/p><p><span style=\"color: #000080; font-size: 12pt;\">\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0<a href=\"#4_2_1\">4.2.1 Position and Displacement Vectors<\/a><\/span><\/p><p><span style=\"color: #000080; font-size: 12pt;\">\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0<a href=\"#4_2_1\">4.2.2 Equality of Vectors<\/a><\/span><\/p><p><a href=\"#4_3\"><span style=\"color: #000080; font-size: 12pt;\">4.3 MULTIPLICATION OF VECTORS BY REAL NUMBERS<\/span><\/a><\/p><p><a href=\"#4_3\"><span style=\"color: #000080; font-size: 12pt;\">4.4 ADDITION AND SUBTRACTION OF VECTORS \u2014 GRAPHICAL METHOD<\/span><\/a><\/p><p><a href=\"#4_4_1\"><span style=\"color: #000080; font-size: 12pt;\">\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a04.4.1 Subtraction of vectors<\/span><\/a><\/p><p><a href=\"#4_5\"><span style=\"color: #000080; font-size: 12pt;\">4.5 RESOLUTION OF VECTORS<\/span><\/a><\/p><p><a href=\"#r4_6\"><span style=\"color: #000080; font-size: 12pt;\">RESOLUTION OF VECTORS IN THREE DIMENSIONS<\/span><\/a><\/p><p><a href=\"#4.6\"><span style=\"color: #000080; font-size: 12pt;\">4.6 VECTOR ADDITION \u2013 ANALYTICAL (COMPONENT) METHOD<\/span><\/a><\/p>\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-f0a425a elementor-widget elementor-widget-text-editor\" data-id=\"f0a425a\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<h2><span style=\"color: #000080;\">2. Motion in a Plane<\/span> <span style=\"color: #ff6600; font-size: 18pt;\">[Page No 72 \u2013 81]<\/span><\/h2><p><a href=\"#4_8\">4.7 MOTION IN A PLANE<\/a><\/p><p><a href=\"#4_7_1\">4.7.1 Position Vector and Displacement<\/a><\/p><ul><li><a href=\"#4_7_1\">Velocity<\/a><\/li><li><a href=\"#4_7_2\">Acceleration<\/a><\/li><\/ul><p><a href=\"#4_8\">4.8 MOTION IN A PLANE WITH CONSTANT ACCELERATION<\/a><\/p><p><a href=\"#4_9\">4.9 RELATIVE VELOCITY IN TWO DIMENSIONS<\/a><\/p><p><a href=\"#4_10\">4.10 PROJECTILE MOTION<\/a><\/p><ul><li><a href=\"#4_10\">Equation of path of a projectile<\/a><\/li><li><a href=\"#time_of_flight\">Time of maximum height (Time of flight)<\/a><\/li><li><a href=\"#4_9_1\">Maximum height of a projectile<\/a><\/li><li><a href=\"#4_9_1\">Horizontal range of a projectile<\/a><\/li><\/ul><p><a href=\"#4_11\">4.11 UNIFORM CIRCULAR MOTION<\/a><\/p>\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-inner-section elementor-element elementor-element-e441854 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"e441854\" data-element_type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-inner-column elementor-element elementor-element-fd7edce\" data-id=\"fd7edce\" data-element_type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t\t\t<div class=\"elementor-element elementor-element-f430239 elementor-widget elementor-widget-menu-anchor\" data-id=\"f430239\" data-element_type=\"widget\" data-widget_type=\"menu-anchor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t<style>\/*! elementor - v3.6.0 - 21-03-2022 *\/\nbody.elementor-page .elementor-widget-menu-anchor{margin-bottom:0}<\/style>\t\t<div id=\"4_2\" class=\"elementor-menu-anchor\"><\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-62f518d elementor-widget elementor-widget-text-editor\" data-id=\"62f518d\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<a href=\"https:\/\/physics.educour.in\/wp-content\/uploads\/2021\/07\/4.-XI-Chapter-4-1.pdf\" class=\"pdfemb-viewer\" style=\"\" data-width=\"max\" data-height=\"max\"  data-toolbar=\"bottom\" data-toolbar-fixed=\"off\">4. XI Chapter 4 -1<br\/><\/a>\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-inner-section elementor-element elementor-element-eefcf44 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"eefcf44\" data-element_type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-inner-column elementor-element elementor-element-394fc60\" data-id=\"394fc60\" data-element_type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t\t\t<div class=\"elementor-element elementor-element-fd2dd32 elementor-widget elementor-widget-menu-anchor\" data-id=\"fd2dd32\" data-element_type=\"widget\" data-widget_type=\"menu-anchor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<div id=\"4_2_1\" class=\"elementor-menu-anchor\"><\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-e112625 elementor-widget elementor-widget-text-editor\" data-id=\"e112625\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<a href=\"https:\/\/physics.educour.in\/wp-content\/uploads\/2021\/07\/4.-XI-Chapter-4-2.pdf\" class=\"pdfemb-viewer\" style=\"\" data-width=\"max\" data-height=\"max\"  data-toolbar=\"bottom\" data-toolbar-fixed=\"off\">4. XI Chapter 4 -2<br\/><\/a>\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-inner-section elementor-element elementor-element-58aa9bb elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"58aa9bb\" data-element_type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-inner-column elementor-element elementor-element-a81429a\" data-id=\"a81429a\" data-element_type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t\t\t<div class=\"elementor-element elementor-element-28b31fc elementor-widget elementor-widget-menu-anchor\" data-id=\"28b31fc\" data-element_type=\"widget\" data-widget_type=\"menu-anchor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<div id=\"4_3\" class=\"elementor-menu-anchor\"><\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-13a6d12 elementor-widget elementor-widget-text-editor\" data-id=\"13a6d12\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<a href=\"https:\/\/physics.educour.in\/wp-content\/uploads\/2021\/07\/4.-XI-Chapter-4-3.pdf\" class=\"pdfemb-viewer\" style=\"\" data-width=\"max\" data-height=\"max\"  data-toolbar=\"bottom\" data-toolbar-fixed=\"off\">4. XI Chapter 4 -3<br\/><\/a>\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-inner-section elementor-element elementor-element-a99e277 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"a99e277\" data-element_type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-inner-column elementor-element elementor-element-6329d53\" data-id=\"6329d53\" data-element_type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t\t\t<div class=\"elementor-element elementor-element-4fd0bc2 elementor-widget elementor-widget-menu-anchor\" data-id=\"4fd0bc2\" data-element_type=\"widget\" data-widget_type=\"menu-anchor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<div id=\"4_4_1\" class=\"elementor-menu-anchor\"><\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-ee9d178 elementor-widget elementor-widget-text-editor\" data-id=\"ee9d178\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<a href=\"https:\/\/physics.educour.in\/wp-content\/uploads\/2021\/07\/4.-XI-Chapter-4-4.pdf\" class=\"pdfemb-viewer\" style=\"\" data-width=\"max\" data-height=\"max\"  data-toolbar=\"bottom\" data-toolbar-fixed=\"off\">4. XI Chapter 4 -4<br\/><\/a>\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-inner-section elementor-element elementor-element-430c6da elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"430c6da\" data-element_type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-inner-column elementor-element elementor-element-8fe9998\" data-id=\"8fe9998\" data-element_type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t\t\t<div class=\"elementor-element elementor-element-67a6a79 elementor-widget elementor-widget-menu-anchor\" data-id=\"67a6a79\" data-element_type=\"widget\" data-widget_type=\"menu-anchor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<div id=\"4_5\" class=\"elementor-menu-anchor\"><\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-6843b10 elementor-widget elementor-widget-text-editor\" data-id=\"6843b10\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<a href=\"https:\/\/physics.educour.in\/wp-content\/uploads\/2021\/07\/4.-XI-Chapter-4-5.pdf\" class=\"pdfemb-viewer\" style=\"\" data-width=\"max\" data-height=\"max\"  data-toolbar=\"bottom\" data-toolbar-fixed=\"off\">4. XI Chapter 4 -5<br\/><\/a>\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-inner-section elementor-element elementor-element-5f8575f elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"5f8575f\" data-element_type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-inner-column elementor-element elementor-element-ce2aff8\" data-id=\"ce2aff8\" data-element_type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t\t\t<div class=\"elementor-element elementor-element-fbcc770 elementor-widget elementor-widget-menu-anchor\" data-id=\"fbcc770\" data-element_type=\"widget\" data-widget_type=\"menu-anchor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<div id=\"\" class=\"elementor-menu-anchor\"><\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-d2e39dc elementor-widget elementor-widget-text-editor\" data-id=\"d2e39dc\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<a href=\"https:\/\/physics.educour.in\/wp-content\/uploads\/2021\/07\/4.-XI-Chapter-4-6.pdf\" class=\"pdfemb-viewer\" style=\"\" data-width=\"max\" data-height=\"max\"  data-toolbar=\"bottom\" data-toolbar-fixed=\"off\">4. XI Chapter 4 -6<br\/><\/a>\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-inner-section elementor-element elementor-element-de6e1ca elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"de6e1ca\" data-element_type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-inner-column elementor-element elementor-element-b8e4f94\" data-id=\"b8e4f94\" data-element_type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t\t\t<div class=\"elementor-element elementor-element-a90c50d elementor-widget elementor-widget-menu-anchor\" data-id=\"a90c50d\" data-element_type=\"widget\" data-widget_type=\"menu-anchor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<div id=\"4_6\" class=\"elementor-menu-anchor\"><\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-6d7d6af elementor-widget elementor-widget-text-editor\" data-id=\"6d7d6af\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<a href=\"https:\/\/physics.educour.in\/wp-content\/uploads\/2021\/07\/4.-XI-Chapter-4-7.pdf\" class=\"pdfemb-viewer\" style=\"\" data-width=\"max\" data-height=\"max\"  data-toolbar=\"bottom\" data-toolbar-fixed=\"off\">4. XI Chapter 4 -7<br\/><\/a>\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-inner-section elementor-element elementor-element-671beb9 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"671beb9\" data-element_type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-inner-column elementor-element elementor-element-4d5ff89\" data-id=\"4d5ff89\" data-element_type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t\t\t<div class=\"elementor-element elementor-element-aeb85b8 elementor-widget elementor-widget-menu-anchor\" data-id=\"aeb85b8\" data-element_type=\"widget\" data-widget_type=\"menu-anchor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<div id=\"4_8\" class=\"elementor-menu-anchor\"><\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-e8f3ce1 elementor-widget elementor-widget-text-editor\" data-id=\"e8f3ce1\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<a href=\"https:\/\/physics.educour.in\/wp-content\/uploads\/2021\/07\/4.-XI-Chapter-4-8.pdf\" class=\"pdfemb-viewer\" style=\"\" data-width=\"max\" data-height=\"max\"  data-toolbar=\"bottom\" data-toolbar-fixed=\"off\">4. XI Chapter 4 -8<br\/><\/a>\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-inner-section elementor-element elementor-element-e1ce3fe elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"e1ce3fe\" data-element_type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-inner-column elementor-element elementor-element-c7094ba\" data-id=\"c7094ba\" data-element_type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t\t\t<div class=\"elementor-element elementor-element-9e860af elementor-widget elementor-widget-menu-anchor\" data-id=\"9e860af\" data-element_type=\"widget\" data-widget_type=\"menu-anchor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<div id=\"4_7_1\" class=\"elementor-menu-anchor\"><\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-89d423a elementor-widget elementor-widget-text-editor\" data-id=\"89d423a\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<a href=\"https:\/\/physics.educour.in\/wp-content\/uploads\/2021\/07\/4.-XI-Chapter-4-9.pdf\" class=\"pdfemb-viewer\" style=\"\" data-width=\"max\" data-height=\"max\"  data-toolbar=\"bottom\" data-toolbar-fixed=\"off\">4. XI Chapter 4 -9<br\/><\/a>\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-inner-section elementor-element elementor-element-7181689 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"7181689\" data-element_type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-inner-column elementor-element elementor-element-4e8c730\" data-id=\"4e8c730\" data-element_type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t\t\t<div class=\"elementor-element elementor-element-dd8ed52 elementor-widget elementor-widget-menu-anchor\" data-id=\"dd8ed52\" data-element_type=\"widget\" data-widget_type=\"menu-anchor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<div id=\"4_7_2\" class=\"elementor-menu-anchor\"><\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-817148d elementor-widget elementor-widget-text-editor\" data-id=\"817148d\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<a href=\"https:\/\/physics.educour.in\/wp-content\/uploads\/2021\/07\/4.-XI-Chapter-4-10.pdf\" class=\"pdfemb-viewer\" style=\"\" data-width=\"max\" data-height=\"max\"  data-toolbar=\"bottom\" data-toolbar-fixed=\"off\">4. XI Chapter 4 -10<br\/><\/a>\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-inner-section elementor-element elementor-element-1afb8c6 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"1afb8c6\" data-element_type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-inner-column elementor-element elementor-element-e8bd096\" data-id=\"e8bd096\" data-element_type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t\t\t<div class=\"elementor-element elementor-element-d21274d elementor-widget elementor-widget-menu-anchor\" data-id=\"d21274d\" data-element_type=\"widget\" data-widget_type=\"menu-anchor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<div id=\"4_8\" class=\"elementor-menu-anchor\"><\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-d2b673d elementor-widget elementor-widget-text-editor\" data-id=\"d2b673d\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<a href=\"https:\/\/physics.educour.in\/wp-content\/uploads\/2021\/07\/4.-XI-Chapter-4-11.pdf\" class=\"pdfemb-viewer\" style=\"\" data-width=\"max\" data-height=\"max\"  data-toolbar=\"bottom\" data-toolbar-fixed=\"off\">4. XI Chapter 4 -11<br\/><\/a>\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-inner-section elementor-element elementor-element-36b5696 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"36b5696\" data-element_type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-inner-column elementor-element elementor-element-0f06e3e\" data-id=\"0f06e3e\" data-element_type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t\t\t<div class=\"elementor-element elementor-element-4a2907b elementor-widget elementor-widget-menu-anchor\" data-id=\"4a2907b\" data-element_type=\"widget\" data-widget_type=\"menu-anchor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<div id=\"4_9\" class=\"elementor-menu-anchor\"><\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-f67f196 elementor-widget elementor-widget-text-editor\" data-id=\"f67f196\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<a href=\"https:\/\/physics.educour.in\/wp-content\/uploads\/2021\/07\/4.-XI-Chapter-4-12.pdf\" class=\"pdfemb-viewer\" style=\"\" data-width=\"max\" data-height=\"max\"  data-toolbar=\"bottom\" data-toolbar-fixed=\"off\">4. XI Chapter 4 -12<br\/><\/a>\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-inner-section elementor-element elementor-element-41346e0 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"41346e0\" data-element_type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-inner-column elementor-element elementor-element-2bb4289\" data-id=\"2bb4289\" data-element_type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t\t\t<div class=\"elementor-element elementor-element-4b19394 elementor-widget elementor-widget-menu-anchor\" data-id=\"4b19394\" data-element_type=\"widget\" data-widget_type=\"menu-anchor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<div id=\"4_10\" class=\"elementor-menu-anchor\"><\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-132f26e elementor-widget elementor-widget-text-editor\" data-id=\"132f26e\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<a href=\"https:\/\/physics.educour.in\/wp-content\/uploads\/2021\/07\/4.-XI-Chapter-4-13.pdf\" class=\"pdfemb-viewer\" style=\"\" data-width=\"max\" data-height=\"max\"  data-toolbar=\"bottom\" data-toolbar-fixed=\"off\">4. XI Chapter 4 -13<br\/><\/a>\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-inner-section elementor-element elementor-element-526f131 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"526f131\" data-element_type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-inner-column elementor-element elementor-element-3bec148\" data-id=\"3bec148\" data-element_type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t\t\t<div class=\"elementor-element elementor-element-2665718 elementor-widget elementor-widget-menu-anchor\" data-id=\"2665718\" data-element_type=\"widget\" data-widget_type=\"menu-anchor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<div id=\"4_9_1\" class=\"elementor-menu-anchor\"><\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-6fe0d2e elementor-widget elementor-widget-text-editor\" data-id=\"6fe0d2e\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<a href=\"https:\/\/physics.educour.in\/wp-content\/uploads\/2021\/07\/4.-XI-Chapter-4-14.pdf\" class=\"pdfemb-viewer\" style=\"\" data-width=\"max\" data-height=\"max\"  data-toolbar=\"bottom\" data-toolbar-fixed=\"off\">4. XI Chapter 4 -14<br\/><\/a>\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-inner-section elementor-element elementor-element-f2246e6 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"f2246e6\" data-element_type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-inner-column elementor-element elementor-element-06721f0\" data-id=\"06721f0\" data-element_type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t\t\t<div class=\"elementor-element elementor-element-d7f39e8 elementor-widget elementor-widget-menu-anchor\" data-id=\"d7f39e8\" data-element_type=\"widget\" data-widget_type=\"menu-anchor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<div id=\"4_11\" class=\"elementor-menu-anchor\"><\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-a72782e elementor-widget elementor-widget-text-editor\" data-id=\"a72782e\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<a href=\"https:\/\/physics.educour.in\/wp-content\/uploads\/2021\/07\/4.-XI-Chapter-4-15.pdf\" class=\"pdfemb-viewer\" style=\"\" data-width=\"max\" data-height=\"max\"  data-toolbar=\"bottom\" data-toolbar-fixed=\"off\">4. XI Chapter 4 -15<br\/><\/a>\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-inner-section elementor-element elementor-element-0aacc2e elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"0aacc2e\" data-element_type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-inner-column elementor-element elementor-element-14a251b\" data-id=\"14a251b\" data-element_type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t\t\t<div class=\"elementor-element elementor-element-fef0ef1 elementor-widget elementor-widget-menu-anchor\" data-id=\"fef0ef1\" data-element_type=\"widget\" data-widget_type=\"menu-anchor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<div id=\"42\" class=\"elementor-menu-anchor\"><\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-14d8fdf elementor-widget elementor-widget-text-editor\" data-id=\"14d8fdf\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<a href=\"https:\/\/physics.educour.in\/wp-content\/uploads\/2021\/07\/4.-XI-Chapter-4-16.pdf\" class=\"pdfemb-viewer\" style=\"\" data-width=\"max\" data-height=\"max\"  data-toolbar=\"bottom\" data-toolbar-fixed=\"off\">4. XI Chapter 4 -16<br\/><\/a>\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-inner-section elementor-element elementor-element-7025113 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"7025113\" data-element_type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-inner-column elementor-element elementor-element-f316155\" data-id=\"f316155\" data-element_type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t\t\t<div class=\"elementor-element elementor-element-71e78f7 elementor-widget elementor-widget-menu-anchor\" data-id=\"71e78f7\" data-element_type=\"widget\" data-widget_type=\"menu-anchor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<div id=\"42\" class=\"elementor-menu-anchor\"><\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-fb670ca elementor-widget elementor-widget-text-editor\" data-id=\"fb670ca\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<a href=\"https:\/\/physics.educour.in\/wp-content\/uploads\/2021\/07\/4.-XI-Chapter-4-17.pdf\" class=\"pdfemb-viewer\" style=\"\" data-width=\"max\" data-height=\"max\"  data-toolbar=\"bottom\" data-toolbar-fixed=\"off\">4. XI Chapter 4 -17<br\/><\/a>\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t\t\t\t<\/div>\n\t\t","protected":false},"excerpt":{"rendered":"<p>MOTION IN A PLANE (NCERT Chapter 4) Contents: 1. VECTORS [Page No 65 \u2013 72] 4.1 INTRODUCTION 4.2 SCALARS AND VECTORS \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a04.2.1 Position and Displacement Vectors \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a04.2.2 Equality of Vectors 4.3 MULTIPLICATION OF VECTORS BY REAL NUMBERS 4.4 ADDITION AND SUBTRACTION OF VECTORS \u2014 GRAPHICAL &#8230; <a title=\"NCERT Class 11 Physics Chapter 4\" class=\"read-more\" href=\"https:\/\/physics.educour.in\/ncert\/ncert-class-11-physics-chapter-4\/\" aria-label=\"More on NCERT Class 11 Physics Chapter 4\">Read more<\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":[],"categories":[1],"tags":[],"post_folder":[15],"_links":{"self":[{"href":"https:\/\/physics.educour.in\/ncert\/wp-json\/wp\/v2\/posts\/845"}],"collection":[{"href":"https:\/\/physics.educour.in\/ncert\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/physics.educour.in\/ncert\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/physics.educour.in\/ncert\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/physics.educour.in\/ncert\/wp-json\/wp\/v2\/comments?post=845"}],"version-history":[{"count":10,"href":"https:\/\/physics.educour.in\/ncert\/wp-json\/wp\/v2\/posts\/845\/revisions"}],"predecessor-version":[{"id":855,"href":"https:\/\/physics.educour.in\/ncert\/wp-json\/wp\/v2\/posts\/845\/revisions\/855"}],"wp:attachment":[{"href":"https:\/\/physics.educour.in\/ncert\/wp-json\/wp\/v2\/media?parent=845"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/physics.educour.in\/ncert\/wp-json\/wp\/v2\/categories?post=845"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/physics.educour.in\/ncert\/wp-json\/wp\/v2\/tags?post=845"},{"taxonomy":"post_folder","embeddable":true,"href":"https:\/\/physics.educour.in\/ncert\/wp-json\/wp\/v2\/post_folder?post=845"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}