Published by:
CGP EDU Academic Team
Published on: September 12, 2026
A cylindrical block of mass 
and area of cross section 
is floating in a liquid of density 
and with its axis vertical. When depressed a little and released the block starts oscillating. The period of oscillation is 
.
A
B
C
D
Text Solution
Verified by ExpertsThe correct answer is:
D
When the block is depressed by distance 
, the additional buoyant force is 
acting upward as restoring force.
Equation of motion: 
.
This gives 
.
Period of oscillation: 
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