Home Physics Wave Optics General A Young's double slit experiment is performe…
Physics Wave Optics General MCQ (Single Correct)

A Young's double slit experiment is performed with white light:

A
The maxima next to the central will be red.
B
The central maxima will be white
C
The maxima next to the central will be violet
D
There will not be a completely dark fringe

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The correct answer is:
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(b,c,d)

If it is performed with white light. the central point will have maxima of all the colours, hence it will look white.

; as λ v is minimum

so first maxima after white as will be that of violet.

So there will be no dark fringe as it is not possible be have minimas of all the colors at the same point

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