STANDARDPhysics-Units and Measurements
STANDARD Physics Significant Figures MCQ Question
Type: MCQ-numerical-Medium-Class 11
The radius of a sphere is 1.41 cm. Its volume to an appropriate number of significant figures is
A
11.73 cm³
B
11.736 cm³
C
11.7 cm³
D
117 cm³
Correct Answer
Option C
Detailed Explanation
The volume of the sphere is calculated using V = ⁴/₃πr³ = ⁴/₃ × 3.14 × (1.41)³ cm³ = 11.736 cm³. Rounding off to three significant figures gives 11.7 cm³.
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