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In the previous problem, if O is the poi...

In the previous problem, if O is the point on AD and `OO_(1)` is the perpendicular from the centre of the circle, `O_(-1), then OA//OD` will be

A

`1`

B

`gt1`

C

`lt1`

D

depands upon `vec(B)` and charge

Text Solution

Verified by Experts

The correct Answer is:
A
O will be the midpoint of incident and point of emergence . Hence, OA=OB.
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