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The bob of a simple pendulum performs SH...

The bob of a simple pendulum performs SHM with period T in air and with period `T_(1)` in water. Relation between T and `T_1` is (neglect friction due to water, density of the material of the bob is = `9/8xx 10^3 (kg)/m^3`, density of water = `10^3(kg)/m^3`)

A

`T_1=3T`

B

`T_1=2T`

C

`T_1=T`

D

`T_1=T/2`

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The correct Answer is:
A
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The bob of a simple pendulum performs SHM with period T in air and with period T_(1) in water. Relation between T and T_1 is (neglect friction due to water, density of the material of the bob is = 9/8xx 10^3 kgm^3 , density of water = 1gcc^-1 )

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