Concept explainers
FIGURE CP33.74 shows light of wavelength ? incident at angle on
a. The figure shows paths 1 and 2 along which two waves travel and interfere. Find an expression for the path-length difference
b. Using your result from part a, find an equation (analogous to Equation 33.15) for the angles
c. Show that the zeroth-order diffraction is simply a “reflection.” That is,
d. Light of wavelength 500 nm is incident at
e. Draw a picture showing a single 500 nm light ray incident at
FIGURE CP33.74
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Physics for Scientists and Engineers: A Strategic Approach, Vol. 1 (Chs 1-21) (4th Edition)
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