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The length of the second's pendulum is d...

The length of the second's pendulum is decreased by 0.3 cm, when it is shifted to Chennai from London. If the acceleration due to gravity at London is `981" cm"//"s"^(2)`, the acceleration due to gravity at Chennai is (Assume `pi^(2)=10`)

A

`981 cm/s^2`

B

`978 cm/s^2`

C

`984 cm/s^2`

D

`975 cm/s^2`

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SL ARORA-OSCILLATIONS-Exercise
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