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 50
Q
A total of 35 bright and 35 dark Newton’s rings (not counting the dark spot at the center) are observed when 560-nm light falls normally on a planoconvex lens resting on a flat glass surface (Fig. 24–31). How much thicker is the lens at the center than the edges?
Figure 24-31 Newton’s rings. (a) Light rays reflected from upper and lower surfaces of the thin air gap can interfere.
Figure 24-31 Newton’s rings. (b) Photograph of interference patterns using white light.
A
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