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Byju's Answer
Standard IX
Mathematics
Perimeter
A thin slice ...
Question

A thin slice is cut out of a glass cylinder along a plane parallel to its axis. The slice is placed on a flat glass plae as shown in figure. The observed interference fringes from this combination shall be

165849_f03b799a9bd04a56bc6b220ca167ba33.png

A
straight
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B
circular
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C
equally spaced
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D
having fringe spacing which increases as we go outward
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Solution

The correct option is A straight
The locus of the equal path difference consists in lines going parallel to the axis of cylinder.
Therefore, interference fringes will be straight.

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