Physics · Wave Optics

For a diffraction grating with 4000 lines per cm, what is the largest wavelength that can be observed in the fourth-order (n = 4) diffraction spectrum?

Verified Solution4 OptionsUpdated: October 2026👁️1 View

1750 nm
2625 nm✓
3500 nm
4250 nm

Correct answer

625 nm

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For a diffraction grating with 4000 lines per cm, what is the largest wavelength that can be observed in the fourth-order (n = 4) diffraction spectrum?

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For a diffraction grating with 4000 lines per cm, what is the largest wavelength that can be observed in the fourth-order (n = 4) diffraction spectrum?

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