Physics-Significant Figures

NEET Physics Significant Figures Assertion Reason Question

Type: Assertion Reason-assertion-Medium-Class 11

Assertion (A): If the result of a calculation is rounded to four significant figures, it must not have more significant figures than the original data. | Reason (R): The final result of a calculation involving approximate measured values must reflect the uncertainties of the original measured values.

A

Both A and R are true, and R is the correct explanation of A.

B

Both A and R are true, but R is not the correct explanation of A.

C

A is true but R is false.

D

A is false but R is true.

Correct Answer

Option A

Detailed Explanation

The NCERT context explains that the result of calculations must reflect the uncertainties of the original measured values, ensuring the final result does not have more significant figures than the initial data.

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