NEET Physics Significant Figures Assertion Reason Question
Assertion (A): In the scientific notation 4.700 × 10², all zeros in the base number are significant.
Reason (R): Trailing zeros in a number with a decimal are not significant.
Both A and R are true, and R explains A.
Both A and R are true, but R does not explain A.
A is true but R is false.
A is false but R is true.
Correct Answer
Detailed Explanation
In scientific notation, trailing zeros in the base number are significant if a decimal is present, which is correctly stated in A. However, R incorrectly states that trailing zeros in a decimal number are not significant.
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