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Polarisation

In Young's do...

Question

In Young's double slit experiment the slits are of different lengths and widths. The amplitude of the light waves is directly proportional to the :

A

length of the slits

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B

distance between the slits

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C

area of the slits

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D

width of slits

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Solution

The correct option is C area of the slits
The amplitude of the light waves depend on both the length and width of the slit through which they are passing. Thus they are dependent on the area of the slit which is length $\times$ width.

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