Q.

The colour of light which is deviated the most by a prism in the spectrum of white light is_


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a

Red

b

Green

c

Violet

d

Yellow 

answer is C.

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Detailed Solution

The Violet light of the white light is deviated the most by the prism.
When a ray of light passes through a glass prism, then the phenomenon of dispersion takes place, and the ray of light gets divided into sevens colours. Since the scattering is inversely proportional to the wavelengths of the colour and violet colour has the least wavelength, and therefore the violet colour will deviate the most.
 
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