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CSE · Paper I · Waves & Opticscse-2009-subject-02-006

Resolving power (Question 2 (10 Marks)) — UPSC Physics Optional CSE 2009 Paper I

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Obtain an expression for the resolving power of a plane transmission grating. Deduce the missing orders for a double-slit Fraunhofer pattern, if the slit widths are 0\cdot 16\text{ mm} and 0\cdot 8\text{ mm} apart.

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