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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.

Which of the following statements is correct regarding the propagation of light of different colours of white light in air?

A

Red light moves fastest.

B

Blue light moves faster than green light.

C

All the colours of the white light move with the same speed.

D

Yellow light moves with the mean speed as that of the red and the violet light.

Text Solution

Verified by Experts

The correct Answer is:
B
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