A diminished image of an object is to be obtained on a screen 1.0 m from it. This can be achieved by appropriately placing :

A concave mirror of suitable focal length

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A convex mirror of suitable focal length

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Both of them

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Neither of them

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Solution

The correct option is A A concave mirror of suitable focal length
A diminished image can be formed by both the concave and convex mirror, but as we know a convex mirror only forms a virtual image which cannot be obtained on a screen, hence we can use a concave mirror of suitable focal length to achieve this.

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