A ball is suspended by a thread of length 
at the point O on an inclined wall as shown in the figure. The inclination of the wall with the vertical is 
The thread is displaced through a small angle 
away from the vertical and the ball is released. If 
, find the period of oscillation of pendulum. Assume that any impact between the wall and the ball is elastic.
A
B
C
D
Text Solution
Verified by ExpertsThe correct answer is:
C
For right‐half part 
For rest‐half part (left) 
[ 
angular amplitude]
So, 
Then,
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