18. Young's double slit experiment is one of the classic experiments of physics. A laser with light of wavelength 650 nm is incident on two slits separated by 0.1 mm. A screen is located 2.0 m from the slits, and interference fringes are observed. (a) Calculate the separation of the interference fringes on the screen. (b) Determine the angle of the first-order fringe. (c) Determine the position of the second-order fringe.
18. Young's double slit experiment is one of the classic experiments of physics. A laser with light of wavelength 650 nm is incident on two slits separated by 0.1 mm. A screen is located 2.0 m from the slits, and interference fringes are observed. (a) Calculate the separation of the interference fringes on the screen. (b) Determine the angle of the first-order fringe. (c) Determine the position of the second-order fringe.
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Transcribed Image Text:18. Young's double slit experiment
is one of the classic experiments of
physics. A laser with light of
wavelength 650 nm is incident on
two slits separated by 0.1 mm. A
screen is located 2.0 m from the
slits, and interference fringes are
observed. (a) Calculate the
separation of the interference
fringes on the screen. (b) Determine
the angle of the first-order fringe. (c)
Determine the position of the
second-order fringe.
Transcribed Image Text:17. A rod of length L rotates
counterclockwise with constant
angular velocity w about one end in
a constant magnetic field (as shown
in the figure).(a) Find the
magnitude of the motional emf in
the rod by two ways .(b) Determine
the direction of the motional emf in
the rod.
a
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