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A small spherical steel ball is placed a...

A small spherical steel ball is placed a little away from the centre of a large concave mirror of radius of curvature 2.5 m, if the ball is released, then the period of the motion will be `(g=10m//s^(2))`

A

`pi//4 s`

B

`pi//2 s`

C

`pi//s`

D

`2pi s`

Text Solution

Verified by Experts

The correct Answer is:
C
`T=2pisqrt((R)/(g))=2pisqrt((2.5)/(10))=(2pixx5)/(10)=pis`
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