MHT CET 2026 Physics question
The length of rod is measured by meter scale having least count 0.1 cm and diameter is measured by vernier callipers having least count 0.01 cm. Length of rod is 5.0 cm and radius 2.0 cm. The percentage error in the calculated value of the volume is
Answer: (B)
Solution
The volume of the cylindrical rod is , so the fractional error is . Length: , i.e. 2%. Radius: , i.e. 0.5%, which
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