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General
Easy

Question

A point object is placed at a distance of 20cm from a thin plano convex lens of focal length 15 cm The plane surface of the lens is now silvered The image fomed by the system is at.....

  1. 60 cm to the left of the system    
  2. 60 cm to the right of the system    
  3. 12 cm to the left of the system    
  4. 12 cm to the right of the system    

The correct answer is: 12 cm to the left of the system

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