NEET Physics Significant Figures MCQ Question
Which of the following statements about significant figures is correct?
The number 2.745 rounded to three significant figures is 2.74.
The result of a calculation can have more significant figures than the least precise measurement.
When rounding 1.743 to three significant figures, it becomes 1.74.
To find density, the volume should have more significant figures than the mass.
Correct Answer
Detailed Explanation
According to the rounding rules, 1.743 rounded to three significant figures becomes 1.74. In contrast, option A is incorrect as 2.745 rounds to 2.75, and option B contradicts the principle that results cannot be more precise than the measurements used. Option D is also incorrect as the number of significant figures in density should reflect the least precise measurement.
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