Dark fringes for single-slit diffraction


by golriz
Tags: dark, diffraction, fringes, singleslit
golriz
golriz is offline
#1
Oct27-10, 05:43 AM
P: 43
How many dark fringes will be produced n either side of the central maximum if light (its wavelength is 651 nm ) is incident on a single slit that is 5.47x10^-6 m wide?


sin (theta) = m.wavelength/w
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Delphi51
Delphi51 is offline
#2
Oct27-10, 03:33 PM
HW Helper
P: 3,394
Looks good. Find theta when m = 1. Then for m = 2, and so on until it doesn't work anymore.


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