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A simple pendulum of length L has been s...

A simple pendulum of length `L` has been set up inside a railway wagon sliding down a frictionless inclined plane of inclination `theta` with the horizontal. Its period of oscullation as recorded by an observer inside wagon is

A

`2pi sqrt((L)/(g cos theta))`

B

`2 pi sqrt((L)/(g))`

C

`2pi sqrt((L)/(g sin theta))`

D

`2pi sqrt((L cos theta)/(g))`

Text Solution

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The correct Answer is:
A
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