A) decrease
B) increase
C) remain same
D) first increase then decrease
Correct Answer: D
Solution :
As soon as water come out from the bottom the centre of gravity shifted downwards from the centre of ball so, the effective length of pendulum. increases. Hence, the time period also increases. When the ball becomes empty more than half, the C.G of pendulum rises up so, the effective length of pendulum decreases. Hence, time period also decreases.You need to login to perform this action.
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