SHMHard
Question
Water is filled in a hollow metallic sphere and it is suspended from a long string. A fine hole is made at the bottom of the sphere through which water tickles. The sphere is set into oscillations. Its period of oscillation will :
Options
A.Remain constant
B.Decrease continuously
C.Increase continuously
D.First increase then decrease
Solution
Center of mass will first go down and then up. So is the effective length of pendulum.
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