Light from a Laser Strikes a Diffraction Grating That Has

question 15

Multiple Choice

Light from a laser strikes a diffraction grating that has 6500 grooves per centimeter.The interference pattern is observed on a wall 1.00 m from the grating.If the wavelength of the laser light is 454 nm,how far from the central maximum is the first order maximum?

• A)0.309 nm
• B)449 nm
• C)0.289 nm
• D)0.452 nm
• E)0.255 nm

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Probate Cases

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