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Image of Point Object in Plane Mirror

It is desired...

Question

It is desired to photograph the image of an object placed at a distance of 3 m from the plane mirror. The camera which is at a distance of 4.5 m from the mirror should be focussed for a distance of

A

6m

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B

4.5m

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C

6m

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D

7.5m

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Solution

The correct option is D
7.5m

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