A thin film with n = 2 is located on material with a refractive index of n = 1.5. When viewed straight on (perpendicular), the film appears b (A = 473nm) and has no red (A = 710nm) color. What is the minimum thickness of the film? 197.7 n = 1.5 nm

A thin film with n = 2 is located on material with a refractive index of n = 1.5. When viewed straight on (perpendicular), the film appears b (A = 473nm) and has no red (A = 710nm) color. What is the minimum thickness of the film? 197.7 n = 1.5 nm

College Physics

1st Edition

ISBN:9781938168000

Author:Paul Peter Urone, Roger Hinrichs

Publisher:Paul Peter Urone, Roger Hinrichs

Chapter25: Geometric Optics

Section: Chapter Questions

Problem 35PE: A narrow beam of white light enters a prism made of crown glass at a 45.0° incident angle, as shown...

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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.

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incident
2
197.7
n = 1
nm
n = 2
A thin film with n = 2 is located on material with a refractive index of n = 1.5. When viewed straight on (perpendicular), the film appears blue
(A = 473nm) and has no red (A = 710nm) color. What is the minimum thickness of the film?
n = 1.5

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