ch36-p009 - 9. The condition for a minimum of intensity in...

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9. The condition for a minimum of intensity in a single-slit diffraction pattern is a sin θ = m λ , where a is the slit width, λ is the wavelength, and m is an integer. To find the angular position of the first minimum to one side of the central maximum, we set m = 1: 1 11 9 3 4 589 10 100 10 589 10 = F H G I K J = × × F H G I K J −− sin . .. λ a m m rad If D is the distance from the slit to the screen, the distance on the screen from the center of the pattern to the minimum is yD 43 300 589 10 1767 10 == × =
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This note was uploaded on 06/03/2011 for the course PHY 2049 taught by Professor Any during the Spring '08 term at University of Florida.

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