Solution Found!
Why are the fringes of Newton's rings (Fig. 24-31) closer
Chapter 27, Problem 24Q(choose chapter or problem)
QUESTION:
Why are Newton's rings (Fig. 24-31) closer together farther from the center?
Questions & Answers
QUESTION:
Why are Newton's rings (Fig. 24-31) closer together farther from the center?
ANSWER:
Step-by-step solution
Step 1 of 3
The light ray number 2 is reflected from the curved surface of the lens. The light ray number 1 reflect from the lower glass as passing through the thin layer of air remaining between lens and lower glass. These two reflected rays has 1800 phase difference. Because of 1800 of phase difference the observer sees inference pattern as in the figure.