For a wavelength of 480 nm, a diffraction grating produces a bright fringe at an angle of 27°. For an unknown wavelength, the same grating produces a bright fringe at an angle of 33°. In both cases the bright fringes are of the same order m. What is the unknown wavelength? Number i ▬▬▬▬▬▬ Diffraction grating Units 0₁ 02 Bright fringe m (unknown wavelength) Bright fringe m (known wavelength) Central bright fringe (m = 0) Bright fringe m (known wavelength) Bright fringe m (unknown wavelength) Screen
For a wavelength of 480 nm, a diffraction grating produces a bright fringe at an angle of 27°. For an unknown wavelength, the same grating produces a bright fringe at an angle of 33°. In both cases the bright fringes are of the same order m. What is the unknown wavelength? Number i ▬▬▬▬▬▬ Diffraction grating Units 0₁ 02 Bright fringe m (unknown wavelength) Bright fringe m (known wavelength) Central bright fringe (m = 0) Bright fringe m (known wavelength) Bright fringe m (unknown wavelength) Screen
College Physics
1st Edition
ISBN:9781938168000
Author:Paul Peter Urone, Roger Hinrichs
Publisher:Paul Peter Urone, Roger Hinrichs
Chapter30: Atomic Physics
Section: Chapter Questions
Problem 53PE: (a) What is the distance between the slits of a diffraction grating that produces a first-order...
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