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Chapter 36: Q27P (page 1110)
If Superman really had x-ray vision at wavelength and a pupil diameter, at what maximum altitude could he distinguish villains from heroes, assuming that he needs to resolve points separated by to do this?
The altitude using the angular separation formula is .
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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.
X rays of wavelength are found to undergo second order reflection at a Bragg angle offrom a lithium fluoride crystal. What is the interplanar spacing of the reflecting planes in the crystal?
A double-slit system with individual slit widths of and a slit separation of localid="1663157041233" is illuminated with localid="1664276472239" light directed perpendicular to the plane of the slits. What is the total number of complete bright fringes appearing between the two first-order minima of the diffraction pattern? (Do not count the fringes that coincide with the minima of the diffraction pattern.)
A single slit is illuminated by light of wavelengths and , chosen so that the first diffraction minimum of the component coincides with the second minimum of the component. (a) If , what is ? For what order number (if any) does a minimum of the component coincide with the minimum of the component in the order number (b) role="math" localid="1663142824281" and (c) ?
(a) Figure 36-34a shows the lines produced by diffraction gratingsA and B using light of the same wavelength; the lines are of the same order and appear at the same angles . Which grating has the greater number of rulings? (b) Figure 36-34b shows lines of two orders produced by a single diffraction grating using light of two wavelengths, both in the red region of the spectrum. Which lines, the left pair or right pair, are in order with greater m? Is the center of the diffraction pattern located to the left or to the right in(c) Fig. 36-34a andd) Fig. 36-34b?
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