In context of explaining theoretical concepts and fundamentals of a subject, the NCERT books are considered to be the best study material. The questions given in NCERT textbooks at the end of each ...

Did you know that, at a certain point on a moving wheel... there's no motion? Did you know that, at a certain point on a moving wheel... there's no motion? I mean, kinda... it's all relative, right?

Need for measurement: Units of measurement; systems of units; SI units, fundamental and derived units. significant figures. Dimensions of physical quantities, dimensional analysis and its applications ...