why is the central spot in Newton's rings seen in the reflected light dark
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Answer (1)
29th Jan, 2021
The centre of the ring dark in Newton's Rings experiment with reflected light is dark because at the point of contact the path difference is zero but one of the interfering ray is reflected so the effective path difference becomes the half of its wavelength. Thus the condition of minimum intensity is created at the center of the Newtons Ring is dark.
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