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Light from an Argon Laser of Wavelength 449 Nm Strikes

Question 1

Multiple Choice

Light from an argon laser of wavelength 449 nm strikes a diffraction grating.The central and first order principal maxima are separated by 0.550 m on a wall 2.00 m from the grating.Determine the number of grooves per centimeter for the diffraction grating.


A) 7.02 * 103
B) 5.91 * 103
C) 8.24 * 103
D) 3.36 * 103
E) 6.45 * 103

Correct Answer:

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