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As the temperature is increased, the per...

As the temperature is increased, the period of a pendulum

A

Increase as its effective length increases even though its centre of mass remains at the centre of the bob

B

Decreases as its effective length increase even though its centre of mass remains at the centre of the bob

C

Increases as its effective length increases due to shifting to centre of mass below the centre of the bob

D

Decreases as its effective length remains same but the centre of mass shifts above the centre of the bob

Text Solution

Verified by Experts

The correct Answer is:
A
As the temperature is increased length of the pendulum increases. We know that time period of pendulum
`T = 2pi sqrt(L/g)`
`rArr T rho sqrt(L)`.
as L increase.
Time period (T) also increases.
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