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Single Slit Diffraction

The optical p...

Question

The optical path length followed by ray from point $A$ to $B$ given that laws of reflection are obeyed as shown in figure is

A

maximum

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B

minimum

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C

constant

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D

none of these

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Solution

The correct option is A maximum
The optical path followed by ray from point $A$ to $B$ given that laws of reflection are obeyed is maximum as there is reflection at a single point.

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