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A simple pendulum is swinging vertical p...

A simple pendulum is swinging vertical plane. The ratio of its potential energy when it is making `45^(@)` and `90^(@)` with the vertical is

A

`1:1`

B

`1:(sqrt(2)+1)`

C

`sqrt(2):1`

D

`(sqrt(2)-1):sqrt(2)`

Text Solution

Verified by Experts

The correct Answer is:
D
`U=mgl(1-cos theta)`
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