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Problem 45 Medium Difficulty

Light from an argon laser strikes a diffraction grating that has 510 grooves/cm. The central and first-order principal maxima are separated by 0.488 $\mathrm{m}$ on a wall 1.72 $\mathrm{m}$ from the grating. Determine the wavelength of the laser light.

Answer

514 $\mathrm{nm}$

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Top Physics 103 Educators
Marshall S.

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Video Transcript

the prevalent off a leisure light is given by Lambda D Sign Better derided by him. Where is it? Cool to one. And, uh, that is we could find it by using the d. Are these the slip separation so we can find a D by writing equations for number off gurus in one centimeter? That means the reforms there one divided by 5310 This use US D off 18 83 9 millimeter angles off their first order maximum is given by that is equal to Sinan. Worse off 0.488 Well, I'd buy one for him. 72 This use this angle off 15.84 degrees will substitute this degree here Eso Linda will be 18 83 Nano meter time signed off 15.84 divided by a musical to one. This gives us lend off 514 Now Teacher

Wesleyan University
Top Physics 103 Educators
Marshall S.

University of Washington

Aspen F.

University of Sheffield

Jared E.

University of Winnipeg

Meghan M.

McMaster University