Physics-
General
Easy

Question

A diminished image of an object is to be obtained on a large screen 1 m from it. This can be achieved by

  1. using a convex mirror of focal length less than 0.25 m    
  2. using a concave mirror of focal length less than 0.25 m    
  3. using a convex lens of focal length less than 0.25 m    
  4. using a concave lens of focal length less than 0.25 m    

The correct answer is: using a convex lens of focal length less than 0.25 m

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