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Mirror Formula

How will the ...

Question

How will the light ray be reflected when it is strikes parallel to the principal axis of a concave mirror?

A

Back upon itself

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B

Through the focal point

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C

Through the radius of curvature

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D

Through a point equal to

0.5 f

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E

Through a point equal to

2 r

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Solution

The correct option is A Through the focal point
All the rays parallel to the principal axis of a concave mirror always pass through the focal point of the mirror after reflection.

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