During summer, the time period of the pendulum of a clock changes to 2.02 s from 2 s. The clock runs
A. slow by 14.4 minutes per day
B. fast by 14.4 minutes per day
C. slow by 28.8 minutes per day
D. fast by 28.8 minutes per day

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1 Answers

Correct Answer - A
In one oscillation pendulum loses time 0.02 s.
`therefore` In day `((86400)/(2))`oscillation loses time is,
`((86400)/(2))xx0.02=864s`
`=(864)/(60)=14.4min`.

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