Physics-
General
Easy

Question

A point object is kept in front of a plane mirror. The plane mirror is doing SHM of amplitude 2 cm. The plane mirror moves along the x-axis and x-axis is normal to the mirror. The amplitude of the mirror is such that the object is always infront of the mirror. The amplitude of SHM of the image is

  1. zero    
  2. 2 cm    
  3. 4 cm    
  4. 1 cm    

The correct answer is: 4 cm

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