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A hollow glass prism doesnot cause the dispersion of light why?

Please HELP! Its urgent..​

2 Answers

4 votes
A hollow glass prism doesnot cause the dispersion of light why?

Please HELP! Its urgent..

When white light passes through the prism ,different colours suffers deviation through different angles and light appears to be dispersed. But in a hollow prism dispersion does not take place as all the colours travel with same speed in the air inside hollow prism. Thus no angular dispersion is there
User Mannix
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Answer:

When white light passes through the prism ,different colours suffers deviation through different angles and light appears to be dispersed. But in a hollow prism dispersion does not take place as all the colours travel with same speed in the air inside hollow prism. Thus no angular dispersion is there.

User Daniel Junglas
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2.9k points