Home Physics Ray Optics Prism Theory & Dispersion of Light In dispersion without deviation
Physics Ray Optics Prism Theory & Dispersion of Light MCQ (Single Correct)

In dispersion without deviation

A
The emergent rays of all the colours are parallel to the incident ray
B
Yellow coloured ray is parallel to the incident ray
C
Only red coloured ray is parallel to the incident ray
D
All the rays are parallel, but not parallel to the incident ray

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Text Solution

Verified by Experts
The correct answer is:
B

Deviation is zero only for a particular colour, it is generally taken to be yellow.

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