Question

In the achromatic prism, we have :

A

deviation without dispersion

B

dispersion without deviation

C

refraction without deviation

D

deviation and reflection

Easy
Updated on : 2022-09-05
Solution
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Correct option is A)

In an achromatic prism the deviation difference due to different wavelength is zero. So, dispersion is zero but deviation of all light takes place with same angle. Hence, in achromatic prism deviation without dispersion takes place.

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