A small ball connected to a thread is submerged in a liquid and made to oscillate like a simple pendulum. The time period is 
if we consider buoyant force as well as viscous force. If there is no viscous force but there is a buoyant force, the time period is 
:-
A
can be equal to 
B
is always equal to 
C
D
Text Solution
Verified by ExpertsThe correct answer is:
C
Considering gravity, buoyant force and viscous force oscillation will be damped. 
is natural frequency.
is a constant.
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