Light from a Laser Strikes a Diffraction Grating That Has

question 24

Multiple Choice

Light from a laser strikes a diffraction grating that has 6500 grooves per centimeter.The central and first order principal maxima are separated by 0.325 m on a wall 1.00 m from the grating.Determine the wavelength of the laser light.

• A)449 nm
• B)476 nm
• C)454 nm
• D)465 nm
• E)488 nm

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