Dispersion of light by glass prism takes place because:
(a) the lights of different colours have different intensities
(b) the lights of different colours have different speed in a medium
(c) different colours have different frequencies
(d) the lights of different colours have different energies
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Dispersion of light by glass prism takes place because:
(b) the lights of different colors have different speed in a medium
- Dispersion refers to the process of splitting up of light upon passing through a prism.
- Different colors have different speeds inside a medium.
- Due to this reason, dispersion takes place.
Answered by
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Dispersion of light by glass prism takes place because different colors have different frequencies
Explanation:
- Dispersion of light is the process of splitting of the white light into seven color light.
- Each of this seven color has a characteristic of a distinct wave frequency.
- This distinct wave frequency makes the light waves to bend in varying amounts upon passage through a prism.
- When light is passed through a prism, different frequent of light travel with different velocities .
- Because of refraction, the different velocities make the different angles of refraction , causing the light to travel in slightly different directions.
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