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प्रश्न
Draw a labeled ray diagram to illustrate the dispersion of a narrow beam of white light when it passes through a glass prism.
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उत्तर
When ray of white light passes through glass prism, different colour components of white light travel through different velocities and come out from prism along different paths.
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संबंधित प्रश्न
Describe an activity to show that colours of white light splitted by a glass prism can be recombined to get white light by another identical glass prism. Also draw ray diagram to show the recombination of the spectrum of white light.
In the formation of spectrum of white light by a prism:
which colour is deviated least?
What acts as tiny prisms in the formation of a rainbow?
The property of splitting of white light into its seven constituent colours is known as
State the speed of light in (a) air, (b) water, and (c) glass
Complete the ray diagram given below to show the nature of light produced on the screen.
When a white light ray falls on a prism, the ray at its first surface suffers ______.
An object AB is placed in front of a convex lens as shown in fig. 4. Complete the ray diagram and obtain the image formed and state the nature of the image.
In the diagram, a narrow beam of white light is incident on a right-angled isosceles prism. The critical angle of the material of prism for the yellow colour of white light is 45°. Complete the diagram to show the path of blue, yellow, and red colours of white light till they emerge out of the prism.
When sunlight passes through water droplets in the atmosphere it gets dispersed into its constituent colours forming a rainbow. A similar phenomenon is observed when white light passes through a prism.
Instead of sunlight, a green-coloured ray is passed through a glass prism. What will be the colour of the emergent ray?
