Two radio antennas radiating in phase are located at points A and B , 200 m apart ( Fig. P35.43 ). The radio waves have a frequency of 5.80 MHz. A radio receiver is moved out from point B along a line perpendicular to the line connecting A and B (line BC shown in Fig. P35.43). At what distances from B will there be destructive interference? ( Note: The distance of the receiver from the sources is not large in comparison to the separation of the sources, so Eq. (35.5) does not apply.) Figure P35.43
Two radio antennas radiating in phase are located at points A and B , 200 m apart ( Fig. P35.43 ). The radio waves have a frequency of 5.80 MHz. A radio receiver is moved out from point B along a line perpendicular to the line connecting A and B (line BC shown in Fig. P35.43). At what distances from B will there be destructive interference? ( Note: The distance of the receiver from the sources is not large in comparison to the separation of the sources, so Eq. (35.5) does not apply.) Figure P35.43
Two radio antennas radiating in phase are located at points A and B, 200 m apart (Fig. P35.43). The radio waves have a frequency of 5.80 MHz. A radio receiver is moved out from point B along a line perpendicular to the line connecting A and B (line BC shown in Fig. P35.43). At what distances from B will there be destructive interference? (Note: The distance of the receiver from the sources is not large in comparison to the separation of the sources, so Eq. (35.5) does not apply.)
Laser light of wavelength 460 nmnm is traveling in air and shines at normal incidence onto the flat end of a transparent plastic rod that has nn = 1.30. The end of the rod has a thin coating of a transparent material that has refractive index 1.75.
a)What is the minimum (nonzero) thickness of the coating for which there is maximum transmission of the light into the rod?
b)What is the minimum (nonzero) thickness of the coating for which transmission into the rod is minimized?
White light is incident normally on a glass lens (n=1.52) that is coated with a film of MgF2 (n=1.38). For what minimum thickness of the film will the reflections at the two interfaces result in total destructive interference of yellow light of wavelength 580 nm (in air)?
Interference effects are produced at point P on a screen as a result of direct rays from a 5.00 x 102 - nm source and reflected rays off a mirror, as shown in Figure P24.67. If the source is L = 1.00 x 102 m to the left of the screen and h = 1.00 cm above the mirror, find the distance y (in millimeters) to the first dark band above the mirror.
Chapter 35 Solutions
University Physics, Volume 2 (Chs. 21-37) (14th Edition)
Essential University Physics: Volume 1 (3rd Edition)
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