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Giancoli 7th Edition textbook cover
Giancoli's Physics: Principles with Applications, 7th Edition
24
The Wave Nature of Light
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24-3: Double-Slit Interference
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24-4: Visible Spectrum; Dispersion
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24-5: Single-Slit Diffraction
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24-6 and 24-7: Diffraction Gratings
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24-8: Thin-Film Interference
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24-9: Michelson Interferometer
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24-10: Polarization
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Question by Giancoli, Douglas C., Physics: Principles with Applications, 7th Ed., ©2014, Reprinted by permission of Pearson Education Inc., New York.
Problem 7
Q

Light of wavelength 680 nm falls on two slits and produces an interference pattern in which the third-order bright red fringe is 38 mm from the central fringe on a screen 2.8 m away. What is the separation of the two slits?

A
1.5×10−4 m1.5 \times 10^{-4} \textrm{ m}
Giancoli 7th Edition, Chapter 24, Problem 7 solution video poster
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