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Minima in Diffraction

In which of t...

Question

In which of the following pairs the angle of dispersion will we maximum ?

A

Yellow and green

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B

Red and blue

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C

Green and red

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D

Blue and orange

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Solution

The correct option is B Red and blue
Angular dispersion will maximum is two light of highest and lowest wavelength are used. So, in the given option red has highest and blue has lowest wavelength, so, this power will produce maximum angular dispersion.

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