Question

Why we get dark ring at center in Newton’s ring due to reflected light?

Answer 1

Answer:

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 λ/2 thus the condition of minimum intensity is created hence centre of ring pattern is.

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Answer 2

Answer:

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 .

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