Yellow light of wavelength 590 nm passes through a diffraction grating and makes an interference pattern on
Question:
Yellow light of wavelength 590 nm passes through a diffraction grating and makes an interference pattern on a screen 80 cm away. The first bright fringes are 1.9 cm from the center of the pattern. How many lines per mm does this grating have?
A. 20
B. 40
C. 80
D. 200
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The answer is B 40 We can use the equation for the diffraction grating to solve this problem d si...View the full answer
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Related Book For
College Physics A Strategic Approach
ISBN: 9780321595492
2nd Edition
Authors: Randall D. Knight, Brian Jones, Stuart Field
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