A lab technician uses laser light with a wavelength

Reference no: EM13544242

A lab technician uses laser light with a wavelength of 670 nm to test a diffraction grating. When the grating is 40.2 cm from the screen, the first-order maxima appear 6.02 cm from the center of the pattern. How many lines per millimeter does this grating have?

Reference no: EM13544242

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