The second-order fringe of 660 nm light is observed at an
The second-order fringe of 660 nm light is observed at an angle of 21° when the light falls on two narrow slits that are 3.68 μm apart. If we were able to observe the third-order fringe, at what angle would we expect it to be observed?
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the second-order fringe of 660 nm light is observed at an angle of 21deg when the light falls on two narrow slits that
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