JEE Advanced Model Paper 5 with solutions for online practice

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Question : 3 of 54

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A ball strikes a wall with a velocity v at an angle 30° with the normal to the wall surface and rebounds from it at angle 30° with the surface. Then

If wall is smooth, coefficient of restitution =
1
3
If wall is smooth, coefficient of restitution =
1
√3
If wall is rough, coefficient of restitution <
1
3
If wall is rough, coefficient of restitution >
1
3

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