Problem 6Calculate the minimum thickness needed for an antireflec-tive coating (n = 1.38) applied to a glass lens in order toeliminate (a) blue (450 nm), or (b) red (720 nm) reflectionsfor light at normal incidence.

Given:- n = 1.38 a) Blue ( 450 nm ) b) Red ( 720 nm ) The reflection of light at the normal…

Answered: Calculate the minimum thickness needed…

Calculate the minimum thickness needed for an antirefle ive coating (n = 1.38) applied to a glass lens in order eliminate (a) blue (450 nm), or (b) red (720 nm) reflection

University Physics Volume 3

17th Edition

ISBN:9781938168185

Author:William Moebs, Jeff Sanny

Publisher:William Moebs, Jeff Sanny

Chapter1: The Nature Of Light

Section: Chapter Questions

Problem 61P: A narrow beam of white light enters a prism made of crown glass at a 45.0incident angle, as shown...

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Concept explainers

Dispersion of White Light

Snell’s law is a formula that gives a relation between the angle of incidence and angle of refraction and is given as:

Question

Problem 6
Calculate the minimum thickness needed for an antireflec-
tive coating (n = 1.38) applied to a glass lens in order to
eliminate (a) blue (450 nm), or (b) red (720 nm) reflections
for light at normal incidence.

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