Dimensional Analysis Class 11 CBSE

Dimensions                The dimensions of a derived quantity are defined as the powers which are raised on the units of fundamental quantities to represent the unit of the derived quantity, are known as the dimensions of that physical quantity. When the dimensions of a physical quantity are expressed along with the fundamental quantities on … Read more

Accuracy and Precision Class 11 CBSE

ACCURACY and PRECISION ACCURACY:  “The extent upto which an observed value agrees with the true value of a quantity is known as accuracy”. Lesser the difference between the true value and the measured value (i.e. lesser the error), more is the accuracy in the measurement. So, accuracy is inversely related to the error involved in … Read more

Physical World Class 11 CBSE Chapter 1

Physical World (Chapter 1) ISC Syllabus Scope of Physics and its application in everyday life. Nature of physical laws. Physics and its branches (only basic knowledge required); fundamental laws and fundamental forces in nature (gravitational force, electro-magnetic force, strong and weak nuclear forces; unification of forces). Application of Physics in technology and society (major scientists, … Read more

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