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प्रश्न
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.
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उत्तर
- When light enters the prism and experiences refraction upon exiting, it is said to have undergone dispersion.
- It disperses because the incident light is a polychromatic ray made up of different light wave lengths. As light travels from a denser medium to a rarer medium, refraction takes place.
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संबंधित प्रश्न
As light rays emerge from a glass prism into air, are they refracted towards or away from the normal?
What are the seven colours seen in a rainbow?
A beam of white light is shone onto a glass prism. The light cannot be:
(a) deviated
(b) dispersed
(c) focused
(d) refracted
The wavelength range of white light is ______.
Observe the given figure and write appropriate phenomenon of light in the box.
The sunlight can be split into its constituent colors using ______.
The splitting of white light into its component colours is called ____________.
Curved mirrors have surfaces that are spherical, cylindrical, parabolic, and ellipsoid.
During dispersion of white light by prism placed in air, for a particular value of angle of prism,
