1.

An elastic ball is dropped on a long inclined plane. If bounces, hits the plane again, bounces and so on. Let us Label the distance between the point of the first and second hit d_(12) and the distance between the points of second and the third hit is d_(23). find the ratio of d_(12)//d_(23).

Answer»

`(2)/(1)`
`(1)/(2)`
`(4)/(1)`
`(1)/(4)`

ANSWER :B


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