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Subject :NSO    Class : Class 8

We need a diminished image of an object on a screen 1 m away from it. This can be achieved by approximately placing a

A Convex mirror of suitable focal length
B Concave mirror of suitable focal length
C Concave lens of focal length less than 0.25 m
D Concave lens of suitable focal length.


Why not D?

Ans 1:

Class : Class 8

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