When a wave undergoes refraction

Options :
  1. its amplitude changes
  2. its frequency changes
  3. its velocity changes
  4. both amplitude and velocity change
Answer and Explanation :-

Answer: Option 3


Sorry there is no explanation for this answer. Please help others by posting your response below

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

Previous Question : The velocity of sound is maximum in---

Next Question : Angle between wave velocity and particle velocity of a longitudinal wave is -------

Click here for online test on Optical Physics


 (Getemail alerts when others member replies)

For while directly we say that it [the length of human life] is ages long, we are reminded that it is briefer than the fall of a rose leaf to the ground.
-Virginia Woolf Orlando