NEET Physics Significant Figures MCQ Question
Which of the following statements about significant figures is correct?
All non-zero digits and zeros between them are significant.
Trailing zeros in a number without a decimal point are always significant.
Zeros to the left of the first non-zero digit are always significant.
All numbers in scientific notation have only one significant figure.
Correct Answer
Detailed Explanation
Statement A is correct as all non-zero digits and zeros between them are indeed significant. Statement B is incorrect because trailing zeros in a number without a decimal point are not significant. Statement C is incorrect since zeros to the left of the first non-zero digit are not significant. Statement D is also incorrect as all numbers in scientific notation retain all significant figures present in the base number.
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