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Questions  

A simple pendulum hangs from the ceiling of a car. If the car accelerates with a uniform acceleration, the frequency of the simple pendulum will

a
increases
b
decreases
c
become infinite
d
remain constant

detailed solution

Correct option is A

In this case frequency of oscillation is given by n = 12πg2+a2l, where a is the acceleration of car. If a increases then n also increases.

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