Your seatmate's glasses appear greenish (500 nm) when white light reflects from it. What is the minimum thickness of coating (n = 6/4) used on your seatmate's glasses (n = 5/4)? A. 125 nm B. 250 nm C. 375 nm D 500 pm nm

Your seatmate's glasses appear greenish (500 nm) when white light reflects from it. What is the minimum thickness of coating (n = 6/4) used on your seatmate's glasses (n = 5/4)? A. 125 nm B. 250 nm C. 375 nm D 500 pm nm

Physics for Scientists and Engineers with Modern Physics

10th Edition

ISBN:9781337553292

Author:Raymond A. Serway, John W. Jewett

Publisher:Raymond A. Serway, John W. Jewett

Chapter34: The Nature Of Light And The Principles Of Ray Optics

Section: Chapter Questions

Problem 25P

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Concept explainers

Interference of Light

The word "constructive" signifies addition in interference. Constructive interference occurs when the path of the waves that start from the slit differs by 1 entire wavelength or in the intervals of the same. Hence, the waves that are presented on the screen are in phase (crest to crest/trough to trough). The waves interfering constructively forms bright fringes on the screen.

Question

Your seatmate's glasses appear greenish (500 nm) when white light reflects
from it. What is the minimum thickness of coating (n = 6/4) used on your seatmate's glasses (n =
5/4)?
A. 125 nm
B. 250 nm
C. 375 nm
D. 500 nm

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