A ball of radius r and density 
falls freely under gravity through a distance h before entering water. Velocity of ball does not change even on entering water. If viscosity of water is 
, the value of h is given by
A
B
C
D
Text Solution
Verified by ExpertsThe correct answer is:
C
Striking velocity of ball on liquid surface
eq(i)
Terminal velocity gain by ball on
the liquid surface
eq(ii)
Equating (i) and (ii) we get
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