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Intensity Explanation in YDSE

Fringe width ...

Question

Fringe width will be more wide for which color?

A

Red

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B

Green

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C

Yellow

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D

blue

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Solution

The correct option is A Red
Solution: As Fringe width is directly proportional to the wavelength, so more the wavelength more will be the width.
Since the red colour among the VIBGYOR has the highest wavelength therefore the Fringe width will be highest for the red.
Hence, the correct option is (A).

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