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Which of the following is not essential for two sources of light in Young’s double slit experiment to produce a sustained interference?

Practice this Wave Nature of Light question from Engineering Entrance Exam.

Question Details

Easy

Physics Wave Nature of Light Engineering Entrance Exam

Question

Which of the following is not essential for two sources of light in Young’s double slit experiment to produce a sustained interference?

Options

A

Equal wavelength

B

Equal intensity

Correct

C

Constant phase relationship

D

Equal frequency

Solution

Wavelength/frequency must be same and phase difference must be constant for producing sustained interference.

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