If the length of second's pendulum is de...

If the length of second's pendulum is decreased by 2%, how many seconds it will lose per day

A

3927s

B

3727s

C

3427s

D

864s

Verified by Experts

The correct Answer is:

D

(d)`T prop sqrt(l)implies(Delta T)/(T)=(1)/(2)(Deltal)/(l)=(0.02)/(2)=0.01`
`implies DeltaT=0.01T`
Loss of time per day `=0.01xx24 xx 60xx60=864s`

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