Asked by Anonymous
Light of a red laser (wavelength λ=650 nm) goes through a narrow slit which is only a=2 microns wide. After the light emerges from the slit, it is visible on a screen that is L=5 meters away from the slit.
What is the approximate width on the screen (in cm) of the bright central spot? Here width is defined as the distance between the center and the first minimum.
What is the approximate width on the screen (in cm) of the bright central spot? Here width is defined as the distance between the center and the first minimum.
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Hacker
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