The least count of a vernier calliper is 0.01 cm. A reading of 2.50 cm has how many significant figures? MCQ with Answer and Explanation

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The least count of a vernier calliper is 0.01 cm. A reading of 2.50 cm has how many significant figures?

A. 4

B. 1

C. 2

D. 3

Answer: Option D

Solution (By JKExamLibrary)

2.50 has three significant digits. Trailing zero after decimal significant because least count 0.01.

This question belongs to: Science Physics

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