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Unformatted text preview: 62. (a) Eq. 37-3 and Eq. 37-12 imply smaller angles for diﬀraction for smaller wavelengths. This suggests
that diﬀraction eﬀects in general would decrease.
(b) Using Eq. 37-3 with m = 1 and solving for 2θ (the angular width of the central diﬀraction maximum), we ﬁnd
= 2 sin−1
= 11◦ .
2θ = 2 sin−1
(c) A similar calculation yields 0.23◦ for λ = 0.010 m. ...
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