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Intensity vs Photocurrent

In a Fresnel'...

Question

In a Fresnel's biprism experiment, the two coherent sources are obtained by:

A

two slits

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B

reflection

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C

Internal reflection

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D

Refraction

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Solution

The correct option is D
Refraction

Fresnel's biprism is an equipment used for obtaining two coherent sources of light from a single source by refraction .It demonstrates experimentally the phenomenon of interference of light and is also used for the determination of wavelength of light.

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