Two coherent sources of light can be obtained by

Options :
  1. two different lamps
  2. two different lamps but of the same power
  3. two different lamps of same power and having the same colour
  4. None of the above

Answer and Explanation :-

Answer: Option 4


The coherent source cannot be obtained from two different light sources.

How do you rate this queston?  Very Easy  Easy  Average  Above Average  Tough

Previous Question : In the interference pattern, energy is

Next Question : Non reflecting glass owe its property to

Click here for free online test on Optical Physics


 (Getemail alerts when others member replies)

Don't let the bastards grind you down.
-Margaret Atwood The Handmaid's Tale