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A ball starts falling freely from a heig...

A ball starts falling freely from a height h from a point on the inclined plane forming an angle `alpha` with the horizontal as shown. After collision with the incline it rebounds elastically off the plane. Then it again strikes the incline at

A

`t = sqrt((8h)/(g))` after it strikes the inclined at A

B

`t = sqrt((2h)/(g))`after it strikes the inclined at A.

C

a distance 4h sin `alpha` from A along the incline

D

a distance 8h sin `alpha` from A along the incline

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The correct Answer is:
A,D
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FIITJEE-KINEMATICS-ASSIGNMENT PROBLEMS (OBJECTIVE) LEVEL-II
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