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  4. What is the effect on the time period of a simple pendulum, if the mass of the bob is doubled ?

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Q. What is the effect on the time period of a simple pendulum, if the mass of the bob is doubled ?

KEAMKEAM 2006Oscillations

Solution:

The time period of a simple pendulum is
$ \, \, \, \, \, \, \, \, \, \, \, T=2\pi\sqrt{\frac{l}{g}}$
where l is length of suspension of pendulum, g is acceleration due to gravity. From the above expression, it is clear that time period of a simple pendulum is not dependent on the mass of bob, hence no effect