Section 35.1 Interference and Coherent Sources 35.1 Two small stereo speakers A and B that are 1.40 m apart are sending out sound of wavelength 34 cm in all directions and all in phase. A person at point P starts out equidistant from both speakers and walks so that he is always 1.50 m from speaker B ( Fig. E35.1 ). For what values of x will the sound this person hears be (a) maximally reinforced, (b) cancelled? Limit your solution to the cases where x ≤ 1.50 m. Figure E35.1
Section 35.1 Interference and Coherent Sources 35.1 Two small stereo speakers A and B that are 1.40 m apart are sending out sound of wavelength 34 cm in all directions and all in phase. A person at point P starts out equidistant from both speakers and walks so that he is always 1.50 m from speaker B ( Fig. E35.1 ). For what values of x will the sound this person hears be (a) maximally reinforced, (b) cancelled? Limit your solution to the cases where x ≤ 1.50 m. Figure E35.1
35.1 Two small stereo speakers A and B that are 1.40 m apart are sending out sound of wavelength 34 cm in all directions and all in phase. A person at point P starts out equidistant from both speakers and walks so that he is always 1.50 m from speaker B (Fig. E35.1). For what values of x will the sound this person hears be (a) maximally reinforced, (b) cancelled? Limit your solution to the cases where x ≤ 1.50 m.
U:04)
Coherent light with wavelength 670 nm passes through two narrow slits and the interference pattern is observed on a screen 40.0 cm from the slits. The distance from the m = 1 bright fringe (above the central maximum) to the m = −1 bright fringe (below the central maximum) is 22.00 cm. What is the distance on the screen from the m = 2 bright fringe to the m = −2 bright fringe?
In a Young's double-slit experiment, two parallel slits with a slit separation of 0.185 mm are illuminated by light of wavelength 563 nm, and the interference pattern is observed on a screen located 4.05 m from the slits.
(a) What is the difference in path lengths from each of the slits to the location of the center of a fifth-order bright fringe on the screen? µm(b) What is the difference in path lengths from the two slits to the location of the center of the fifth dark fringe away from the center of the pattern? µm
In the two-slit interference experiment, the slit widths are each 4.0 μm,
their separation is 24.0 μm, the wavelength is 600 nm, and the viewing screen is at
a distance of 2.00 m from the slits. Point P lies at distance y =5.0 cm from the center
of the pattern.
(a) Without diffraction effects taken into account, what is the ratio of IP to the
intensity Im at the center of the pattern?
(b) With diffraction effects taken into account, what is the ratio of IP to the
intensity Im at the center of the pattern?
Chapter 35 Solutions
University Physics, Volume 2 (Chs. 21-37) (14th Edition)
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