Consider an Experiment Using a Diffraction Grating with 7000 Lines/cm $440 - \mathrm { nm }$

question 108

Short Answer

Consider an experiment using a diffraction grating with 7000 lines/cm, a screen 2.50 m away, and a $440 - \mathrm { nm }$ wavelength beam of light.
(a)How many side maxima will be observed on one side of the central maximum?
(b)How far apart on the screen are the first-order and second-order maxima on the same side of the central maximum?

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