Question

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. A convex mirrorr of suitable focal length
B. A concave mirrorr of suitable focal length
C. A concave lengs of suitable focal length
D. A convex lens of suitable focal length less than `0.25 m`

Answer 1

Correct Answer - D
Convex mirrorr and concave lens do not form real image. For concave mirrorr , `vgtu`, so image will be enlarged, hence only convex lens can be used for the purpose.