ch35-p015 - 15 Interference maxima occur at angles θ such...

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Unformatted text preview: 15. Interference maxima occur at angles θ such that d sin θ = mλ, where m is an integer. Since d = 2.0 m and λ = 0.50 m, this means that sin θ = 0.25m. We want all values of m (positive and negative) for which |0.25m| ≤ 1. These are –4, –3, –2, –1, 0, +1, +2, +3, and +4. For each of these except –4 and +4, there are two different values for θ. A single value of θ (–90°) is associated with m = –4 and a single value (+90°) is associated with m = +4. There are sixteen different angles in all and, therefore, sixteen maxima. ...
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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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