When the length of a simple pendulum is ...

When the length of a simple pendulum is increased by 36 cm, its time period of oscillation is found to increase by 25 %. The initial length of the simple pendulum 1s (Acceleration due to gravity= `9.8ms^(-2)`)

A

36 cm

B

25 cm

C

64 cm

D

46 cm

Verified by Experts

The correct Answer is:

C

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