Question

Intense white light is incident on a diffraction grating that has 460 lines/mm.

(a) What is the highest order in which the complete visible spectrum can be seen with this grating? (Enter 1 for first order, 2 for second order, etc.)

(b) What is the angular separation between the violet edge (400 nm) and the red edge (700 nm) of the first order spectrum produced by the grating?

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Answer #1

Answers 460 9: The longest wavelength in the visible spectrum is 700 nm and the grating spacing is de mm =)2174X106 m. mmar

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