Refraction of Light Through a Glass Prism

Author:Dr. Sunil Kushwaha
10th CBSE
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Refraction of Light Through a Glass Prism: Overview

In this topic, we will study the refraction of light through a glass prism with the help of diagrams. Light refraction happens in both when it enters the prism and when it leaves the prism.

Important Questions on Refraction of Light Through a Glass Prism

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Two identical prisms ABC and A'B'C' are given. Which of their following placement will yield maximum dispersion:

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A dichromatic light of wavelength 5600 A and 6300 A pass through a prism of crown glass. Then:

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In the position of minimum deviation when a ray of yellow light passes through a prism, then its angle of incidence is:

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A prism ABC (with BC as base) is placed in different orientations. A narrow beam of white light is incident on the prism as shown in the figure ahead. In which of the following cases, after dispersion, the third colour from the top corresponds to the colour of the sky :

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In the following figure, the angle of refraction is

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The angle of deviation through a prism is maximum when the angle of incidence is:

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In the case of minimum deviation which of the following condition is satisfied:

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When a ray of light is incident on one face of a prism, then angle of incidence (i) and angle of refraction (r) are related as:

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At a particular minimum value of angle of deviation, the refracted ray becomes:

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Which of the following figures correctly show the bending of a monochromatic light inside the prism:

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A ray of light passes through a prism as shown in the figure given below: The angle δ is known as 

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When white light enters a glass prism from air, the angle of deviation is least for:

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In an experiment to trace the path of a ray of light through a glass prism for different values of angle of incidence a student would find that the emergent ray:

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While performing the experiment to trace the path of a ray of light passing through glass prism, four students marked the incident ray and the emergent ray in their diagrams in the manner shown below:

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The correct path of the rays has been shown by:

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For tracing the path of a ray of light through a glass prism, the most appropriate distance between the two pins must be:

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For the refraction of a ray of light through a glass prism, the path of a ray of light is shown ahead.
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The angle of incidence, the angle of emergence and the angle of deviation respectively have been represented by: