A simple pendulum of length 'l' carries ...

A simple pendulum of length 'l' carries a bob of mass 'm'. If the breaking strength of the string is `3 mg`, the maximum angular amplitude from the vertical can be

`0^@`

`30^@`

`60^@`

`90^@`

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Verified by Experts

The correct Answer is:

If `theta` is angular amplitude, `T = mg(3-2 cos theta)`.

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