For a wavelength of 420 nm, a diffraction grating produces a bright fringe at an angle of 23°. For an unknown wavelength, the same grating produces a bright fringe at an angle of 35°. In both cases the bright fringes are of the same order m. What is the unknown wavelength? Number 133,30) Diffraction grating Units 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 420 nm, a diffraction grating produces a bright fringe at an angle of 23°. For an unknown wavelength, the same grating produces a bright fringe at an angle of 35°. In both cases the bright fringes are of the same order m. What is the unknown wavelength? Number 133,30) Diffraction grating Units 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
11th Edition
ISBN:9781305952300
Author:Raymond A. Serway, Chris Vuille
Publisher:Raymond A. Serway, Chris Vuille
Chapter1: Units, Trigonometry. And Vectors
Section: Chapter Questions
Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...
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![For a wavelength of 420 nm, a diffraction grating produces a bright fringe at an angle of 23°. For an unknown wavelength, the same
grating produces a bright fringe at an angle of 35°. In both cases the bright fringes are of the same order m. What is the unknown
wavelength?
Number
BOD
Diffraction
grating
Units
10₂
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](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F0d3ae3c1-0f29-4d16-97eb-52fe15318e45%2Ff96e816e-34ab-46ca-9816-a55d1f3e3f8a%2F61opald_processed.jpeg&w=3840&q=75)
Transcribed Image Text:For a wavelength of 420 nm, a diffraction grating produces a bright fringe at an angle of 23°. For an unknown wavelength, the same
grating produces a bright fringe at an angle of 35°. In both cases the bright fringes are of the same order m. What is the unknown
wavelength?
Number
BOD
Diffraction
grating
Units
10₂
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
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