Physics-Significant Figures

NEET Physics Significant Figures MCQ Question

Type: MCQ-conceptual-Hard-Class 11

Which of the following statements about significant figures is correct?

A

Trailing zeros in a decimal number are always significant.

B

For numbers greater than 1, trailing zeros are always significant.

C

When rounding, the insignificant digit is dropped regardless of its value.

D

In calculations, the final result can have more significant figures than the original data.

Correct Answer

Option A

Detailed Explanation

Trailing zeros in a number with a decimal point are indeed significant, as stated in the NCERT context, which clarifies this rule. Options B and C are incorrect as they misinterpret the significance of trailing zeros in different contexts. Option D contradicts the rule that the result cannot have more significant figures than the original measurements.

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