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A particles falls through a vertical hei...

A particles falls through a vertical height `h` and makes perfectly elastic impact with a smooth inclined plane of angle `alpha`. The time interval between its first and second impact on the incline

A

is proportional to `h^(-1//2)`

B

is proportional to `h^(1//2)`

C

is proportional to `1/(cos alpha)`

D

is proportional to `alpha`

Text Solution

Verified by Experts

The correct Answer is:
B
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