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Laws of Refraction

Dispersion of...

Question

Dispersion of light as seen in a prism can also be observed in a rectangular glass slab.

A

True

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B

False

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Solution

The correct option is B False

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Similar questions

Q. You have seen that a prism splits up light into different colours as it bends different colour lights by different amounts. Why does a glass slab not cause dispersion? (HINT: Observe the path of light in a glass slab−especially what happens to it when it emerges from the slab.)

Q. A prism disperses a ray of white light while a rectangular glass slab does not. This is because.

Q. Why does a rectangular glass slab shows only refraction of light and not dispersion?

Q. Assertion :A beam of white light shows no dispersion on emerging from a glass slab. Reason: Dispersion in a glass slab is zero.

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