Advertisements
Advertisements
Question
Complete the following diagram to show the path of the ray of a single colour in the diagram as if enters in and emerges out of the prism. Mark the angles wherever necessary. (Critical angle for glass = 42°).

Advertisements
Solution
The completed diagram is given below.

RELATED QUESTIONS
State the relation between the critical angle and the absolute refractive index of a medium.
What do you understand by the deviation produced by a prism? Why is it caused?
State two conditions necessary for total internal reflection to occur.
(a) A ray of monochromatic light enters glass PQRS as shown in the fig. Complete the path of ray till it emerges from the glass. (Critical angle of glass is 420).

(b) Draw diagram of a prism periscope.
(c) What are the advantages of total internal reflecting prism over plane mirror?
Name the factors affecting the critical angle for the pair of media.
Total internal reflection can take place only if light is travelling from ______.
Optical fibre communication uses the principle of ______.
Name any two phenomena which take place in the formation of a rainbow.
