Question
Red light of 650 nm can be seen in three orders in a particular grating. About how many slits per centimeter does this grating have?
Step 1
Step 1: The grating equation is given by $d \sin \theta = m \lambda$, where $d$ is the distance between the slits, $\theta$ is the angle of diffraction, $m$ is the order of the spectrum, and $\lambda$ is the wavelength of the light. Show more…
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