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The least count of a stop watch is 1/5 s...

The least count of a stop watch is 1/5 second. The time of 20 oscillations of a pendulum is measured to be 25 seconds. The maximum percentage error in the measurement of time will be

A

`0.1%`

B

`0.8%`

C

`1.8%`

D

`8%`

Text Solution

Verified by Experts

The correct Answer is:
B
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