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
Write the relation between the refractive index and critical angle for a given pair of optical media?
Prove the statement.
A rainbow is the combined effect of the refraction, dispersion, and total internal reflection of light.
The diagram below shows a light source P embedded in a rectangular glass block ABCD of critical angle 42°. Complete the path of the ray PQ till it emerges out of the block. [Write necessary angles].

Can light be ‘piped’ like sound in a doctor’s stethoscope?
The diagram shows a point source P inside a water container. Three rays A, B, and C starting from P are shown up to the water surface. Show in the diagram the path of these rays after striking the water surface. The critical angle for the water-air pair is 48°.

Choose the correct option.
Consider the following phenomena/ applications: P) Mirage, Q) rainbow, R) Optical fibre and S) glittering of a diamond. Total internal reflection is involved in
Optical fibre communication uses the principle of ______.
A particle is projected such that the horizontal range and vertical height are equal. Then the angle of projection is :
State the condition under which total internal reflection occurs. Give the mathematical expression for total internal reflection.
