STANDARD Physics Significant Figures MCQ Question
The length and breadth of a rectangular sheet are 16.2 cm and 10.1 cm, respectively. The area of the sheet in appropriate significant figures and error is
164 ± 3 cm²
163.62 ± 2.6 cm²
163.6 ± 2.6 cm²
163.62 ± 3 cm²
Correct Answer
Detailed Explanation
Given length and breadth of a rectangular sheet measured by using a metre scale are 16.2 cm and 10.1 cm respectively. Each measurement has three significant figures. The area of the sheet is calculated as 163.62 cm² ± 2.6 cm². Rounding off to three significant figures, we get 164 ± 3 cm².
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