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Questions  

A pendulum clock gives correct time at 200C  at a place where g= 10m/s2. The pendulum consists of a light steel rod connected to a heavy ball. If it is taken to a different place where g = 10.01m/s2 at what temperature the pendulum gives correct time   (α of steel is 10–5/0C)

a
300C
b
600C
c
1000C
d
1200C

detailed solution

Correct option is D

Here T is constant, lαg

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