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CBSE Class 12-science Answered

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?
Asked by Meghana Anil | 27 Nov, 2012, 09:55: PM
answered-by-expert Expert Answer

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

Answered by | 11 Dec, 2012, 04:28: PM

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