The splitting of white light into its component colours is called:

scattering

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refraction

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reflection

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dispersion

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Solution

The correct option is D
dispersion

Dispersion of light can be defined as the separation of a visible light beam into its constituent colours. Red, Orange, Yellow, Green, Blue, Indigo and Violet colours are obtained when a white light beam is dispersed. Dispersion of light happens when a light beam passes through a dispersive medium such as a prism and undergoes refraction.

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The splitting of white light into its component colours is called dispersion.

State True or False:

The splitting of white light into its component colours is called dispersion.

Q. Dispersion of light is the splitting of white light into its seven constituent colours.

Q. Assertion :There is no dispersion of light refracted through a rectangular glass slab. Reason: Dispersion of light is the phenomenon of splitting of a beam of white light into its constituent colours.

Statement 1: When white light ray passes through a prism it disperses into seven different colours, and this phenomenon is called dispersion.

Statement 2: Refraction depends upon the wavelength of light and since different colours have different wavelengths, they are refracted at different angles and so they are split into the colour spectrum.

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