A bead of mass 
is free to slide on a smooth circular ring of radius 
fixed in a vertical plane. A light spring of spring constant 
has a natural length equal to the radius of the ring 
. One end of the spring is fixed to a lowest point on the ring as shown, and initially the other end is connected to the bead at point 
. The bead is released from this point 
. It is observed to reach at point 
with a speed 
. The value of 
is:
A
B
C
D
Text Solution
Verified by ExpertsThe correct answer is:
B
Loss in PE = gain in KE
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