Question
Tue November 27, 2012 By: Meghana Anil

What is the angular spread of the first minimum and the central maximum when diffraction is observed with 540 nm light through a slit of width 1mm?

Expert Reply
Tue December 11, 2012

The condition for the first minimum ,

So the ? is the angular separation between first minimum and the central maximum.

So the correct answer is (2) . 540 x 10-6 rad

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