PDF chapter test TRY NOW

1. How many times is a ray of light reflected by two plane mirrors placed parallel and facing each other?
 
A ray of light is reflected  between the two plane mirrors placed parallel to each other.
 
2. What happens to light when it gets dispersed? Give an example.
 
When the light gets dispersed it is  into its .
 
Example formation is due to the dispersion of  after passing through water droplets.