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The string of pendulum of length l is di...

The string of pendulum of length l is displaced through `90^(@)` from the vertical and released. Then the minimum strength of the string in order to withstand the tension, as the pendulum passes through the mean position is

A

mg

B

3 mg

C

5 mg

D

6 mg

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The correct Answer is:
B
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MHTCET PREVIOUS YEAR PAPERS AND PRACTICE PAPERS-PRACTICE SET 21-PAPER 1 (PHYSICS & CHEMISTRY)
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