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

The least count of a stop watch is `(1//5)s`. The time 20 oscillations of a pendulum is measured to be `25 s`. The maximum percentage error in this measurement is

A

`8%`

B

`1%`

C

`0.8%`

D

`16%`

Text Solution

Verified by Experts

The correct Answer is:
C
`"The percentage error"=(1)/(2)(4.23-3.87)pm (0.01 pm 0.01)`
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DISHA PUBLICATION-PHYSICAL WORLD, UNITS AND MEASUREMENTS-Exercise - 1 : Concept Builder (Topicwise)(Topic 2 : Errors in Measurements and Significant Figures)
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