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A simple pendulum is medder of a body wh...

A simple pendulum is medder of a body which is bellow sphere containing mercury suspended by means of a wire if a total mercury is dramed off period of pendulum will

A

remain unchanged

B

increase

C

decrease

D

become erratic

Text Solution

Verified by Experts

The correct Answer is:
B
Length of simple pendulum = distance between point of suspension and `G.G.`. On draining of a little maecury the constant of gravity path lowered so `l` increases.
As `T` prop `sqrt(t)` so time period increases.
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