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In the figure shown, blocks P and Q are ...

In the figure shown, blocks `P` and `Q` are in contact but do not stick to each other. The lower face of `P` behaves as a plane mirror. The springs are in their natural lengths. The system is released from rest. Then the distance between `P` and `Q` when `Q` is at the lowest point first time will be

A

`(2mg)/(K)`

B

`(4mg)/(K)`

C

`(3mg)/(K)`

D

0

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