PDF chapter test TRY NOW

This is an activity to understand the concept of refraction.
  • Take a glass beaker, fill it with water and place a pencil in it.
  • Now, look at the pencil through the beaker.
  • Does it appear straight? Why?
Solution:
 
Does it appear straight?
 
In this activity, the light rays actually travel from the water (a  medium) into the air (a  medium). So, it is  from its straight line path.
  
So, the pencil appears to be  when you see it through the glass of water.