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A thin slice is cut of a glass cylinder along a plane parallel to its axis. The slice is placed on a flat plate as shown. The observed interference fringes from this combination shall be
A. |
straight |
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B. |
circular |
C. |
equally spaced |
D. |
having fringe spacing which increases as we go outwards |
Locus of equal path difference are lines running parallel to the axis of the cylinder. Hence, straight fringes are obtained.