Question: A beam of collimated polychromatic light ranging from 500 nm to 700 nm impinges normally on a transmission grating having 590 000 lines/m. If the

A beam of collimated polychromatic light ranging from 500 nm to 700 nm impinges normally on a transmission grating having 590 000 lines/m. If the complete second-order spectrum is to appear, how wide, at most, can the slits be? The second-order spectrum must fit within the diffraction envelope of each slit.

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