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A ball of mass m is dropped onto a smoot...

A ball of mass m is dropped onto a smooth fixed wedge of inclination `theta` The collision is perfectly elastic . If after the collision, the x component of the velocity of the block is `sqrt(2 gh) ` , then `theta` is

A

`30^@`

B

`45^@`

C

`60^@`

D

`15^@`

Text Solution

Verified by Experts

The correct Answer is:
B
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