EASY
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Explain the refraction of light through a prism with the help of a diagram.

Important Questions on Physical Environment-Light

EASY

Explain the refraction of light with the help of a Glass Prism.

EASY

The refraction of light by a prism is shown in the following figure. Then D is:

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MEDIUM

What is dispersion of light? Will there be dispersion of white light within a glass slab after refraction when white light is incident on the glass slab at an angle of 45?

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Differentiate between a glass slab and a glass prism.

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Draw a labelled diagram of the refraction of light through a prism.
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Write the material that you used to find out the value of refractive index of a prism. What is the necessity of the graph in this experiment?
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Two plane mirrors P & Q are kept at ? with respect to each other. Light falls on P is reflected and then fall on Q and is reflected. The emergent ray is opposite to the direction of incident ray. The ? is equal to :
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How many rectangular surfaces are there in a prism?

MEDIUM

A student traces the path of a ray of light through a glass prism as shown in the diagram, but leaves it incomplete and unlabelled. Redraw and complete the diagram. Also, label on it i, e, r and D.

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HARD
How does the angle of deviation formed by a prism change with the increase in the angle of incidence? Draw a graph showing the variation in the angle of deviation with the angle of incidence at a prism surface.
MEDIUM

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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When a ray passes through a prism:
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Two beams of red and violet colors are made to pass separately through a prism (angle of the prism is 60°). In the position of minimum deviation, the angle of refraction will be
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The refractive index of glass is 1.520 for red light and 1.525 for blue light. Let D1 and D2 be angles of minimum deviation for red and blue light respectively in a prism of this glass. Then
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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:
MEDIUM
A ray of light is incident on an equilateral glass prism placed on a horizontal table. For minimum deviation which of the following is true?

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MEDIUM
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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In the figure shown the refracted ray is

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MEDIUM
What do you understand by the deviation produced by a prism? Why is it caused? State three factors on which the angle of deviation depends.
EASY
Which of the following diagrams depict the correct representation of angle of incidence. (i), angle of refraction (r) and angle of emergence?