A simple pendulum is executing simple harmonic motion with a time peri – McqOptions

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1.	A simple pendulum is executing simple harmonic motion with a time period T. If the length of the pendulum is increased by 21%, the increase in the time period of the pendulum of increased length is?
A.	10%
B.	30%
C.	21%
D.	50%
Answer» B. 30%

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