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A narrow beam PQ of white light is passi...

A narrow beam PQ of white light is passing through a glass prism ABC as shown in the diagram. Study the diagram and answer any four questions.

What is dispersion of light?

A

The time for which the impression or sensation of an object continues in the eye.

B

Splitting of white light into its constituent colours.

C

The phenomenon of scattering of light by the colloidal particles.

D

The ability of an eye lens to adjust its focal length by the action of ciliary muscles to get a clear and sharp image of the object.

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The correct Answer is:
B
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