Physics-
General
Easy

Question

Following figure shows the multiple reflections of a light ray along a glass corridor where the walls are either parallel or perpendicular to one another If the angle of incidence at point P is 30°, what are the angles of reflection of the light ray at points Q, R, S and T respectively

  1. 30°, 30°, 30°, 30°    
  2. 30°, 60°, 30°, 60°    
  3. 30°, 60°, 60°, 30°    
  4. 60°, 60°, 60°, 60°    

The correct answer is: 30°, 60°, 60°, 30°

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