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Chapter 36: Q1Q (page 1107)
You are conducting a single slit diffraction experiment with a light of wavelength . What appears , on a distant viewing screen, at a point at which the top and bottom rays through the slit have a path length difference equal to (a) and (b) ?
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Light of wavelength 440 nm passes through a double slit, yielding a diffraction pattern whose graph of intensity I versus angular position is shown in Fig. 36-44. Calculate (a) the slit width and (b) the slit separation. (c) Verify the displayed intensities of the and interference fringes.
In Fig. 36-48, let a beam of x-rays of wavelength 0.125 nm be incident on an NaCl crystal at angle 胃 = 45.0掳 to the top face of the crystal and a family of reflecting planes. Let the reflecting planes have separation d = 0.252 nm. The crystal is turned through angle 蠒 around an axis perpendicular to the plane of the page until these reflecting planes give diffraction maxima. What are the (a) smaller and (b) larger value of 蠒 if the crystal is turned clockwise and the (c) smaller and (d) larger value of 蠒 if it is turned counter-clockwise
gives versus the sine of the angle in a single-slit diffraction experiment using light of wavelength . The vertical axis scale is set by as role="math" localid="1663169810058" . What are (a) the slit width, (b) the total number of diffraction minima in the pattern (count them on both sides of the center of the diffraction pattern), (c) the least angle for a minimum, and (d) the greatest angle for a minimum?
Suppose that the central diffraction envelope of a double-slit diffraction pattern contains 11 bright fringes and the first diffraction minima eliminate (are coincident with) bright fringes. How many bright fringes lie between the first and second minima of the diffraction envelope?
A diffraction grating 20.0 mm wide has 6000 rulings. Light of wavelength 589 nm is incident perpendicularly on the grating. What are the
(a) largest,
(b) second largest,
(c) third largest values of at which maxima appear on a distant viewing screen?
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