Light is incident on a grating at an angle c as shown in Fig. 36-49. Show that bright
Chapter 36, Problem 81(choose chapter or problem)
Light is incident on a grating at an angle c as shown in Fig. 36-49. Show that bright fringes occur at angles u that satisfy the equation d(sin c sin u) ml, for m 0, 1, 2, . . . . (Compare this equation with Eq. 36-25.) Only the special case c 0 has been treated in this chapter. Incident waveDiffracted wave d Figure 36-49 81.
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