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Question
In the figure, a beam of light consisting of three colours blue, red, and yellow is incident on a prism and on a rectangular glass block respectively. Complete the diagram by drawings of the refracted and emergent rays.

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Solution
The complete diagram is given below:

RELATED QUESTIONS
In the formation of spectrum of white light by a prism:
which colour is deviated least?
In the formation of spectrum of white light by a prism:
which colour is deviated most?
Which of the following colour of white light is least deviated by the prism?
(a) green
(b) violet
(c) indigo
(d) yellow
Which of the following colour of white light has the least wavelength?
(a) red
(b) orange
(c) violet
(d) blue
A ray of white light falls on a prism. Draw a ray diagram to show that the prism disperses the white light.
Draw a labelled diagram: Dispersion of light through a prism.
Which characteristic property of light is responsible for the blue colour of the sky?
What is a rainbow?
The angle of deviation through a prism is minimum when

- Incident rays and emergent rays are symmetric to the prism.
- The refracted ray inside the prism becomes parallel to its base.
- The angle of incidence is equal to that of the angle of emergence.
- When the angle of emergence has doubled the angle of incidence.
Choose the correct answer from the options given below:
A ray of light is incident at 45° on an equilateral prism in the diagram below.

- Name the phenomenon exhibited by the ray of light when it enters and emerges out of the prism.
- State the cause of the above phenomenon mentioned by you.
