In case of vertical circular motion of a particle by a thread of length 
if the tension in the thread is zero at an angle 
shown in figure, the velocity at the bottom point 
of the circular path is 
gravitational acceleration 
A
B
C
D
Text Solution
Verified by ExpertsThe correct answer is:
A
At the point where tension 
and angle from vertical is 
(i.e., 
from horizontal):
Since 
:
Using mechanical energy conservation from bottom to the point where 
:
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