Giancoli's Physics: Principles with Applications, 7th Edition
24
The Wave Nature of Light
Change chapter24-3: Double-Slit Interference
24-4: Visible Spectrum; Dispersion
24-5: Single-Slit Diffraction
24-6 and 24-7: Diffraction Gratings
24-8: Thin-Film Interference
24-9: Michelson Interferometer
24-10: Polarization
Question by Giancoli, Douglas C., Physics: Principles with Applications, 7th Ed., ©2014, Reprinted by permission of Pearson Education Inc., New York.
Problem 6
Q
A red laser from the physics lab is marked as producing 632.8-nm light. When light from this laser falls on two closely spaced slits, an interference pattern formed on a wall several meters away has bright red fringes spaced 5.00 mm apart near the center of the pattern. When the laser is replaced by a small laser pointer, the fringes are 5.14 mm apart. What is the wavelength of light produced by the laser pointer?
A
651 nm
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