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Question

Which of the following is a fundamental quantity?

Options

Choose one · Correct answer highlighted

Explanation

Fundamental quantities are those that cannot be derived from others — like mass, length, and time. As per NCERT Chapter 3, equations v=u+at, s=ut+½at², v²=u²+2as describe uniformly accelerated motion. Applying correct signs and units gives Time as the result, so option C is correct.