You can determine the index of refraction of a substance by determining its critical angle. (a) What is the index of refraction of a substance that has a critical angle of 69.2° when submerged in ethanol, which has an index of refraction of 1.361? (b) What would the critical angle be for this substance in air? °

You can determine the index of refraction of a substance by determining its critical angle. (a) What is the index of refraction of a substance that has a critical angle of 69.2° when submerged in ethanol, which has an index of refraction of 1.361? (b) What would the critical angle be for this substance in air? °

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 51P: You can determine the index of refraction of a substance by determining its critical angle. (a) What...

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Concept explainers

Applications Of Reflection Of Light

When a light ray (termed as the incident ray) hits a surface and bounces back (forms a reflected ray), the process of reflection of light has taken place.

Sign Convention for Mirrors

A mirror is made of glass that is coated with a metal amalgam on one side due to which the light ray incident on the surface undergoes reflection and not refraction.

Question

You can determine the index of refraction of a substance by determining its critical angle.

(a) What is the index of refraction of a substance that has a critical angle of 69.2° when submerged in ethanol, which has an index of refraction of 1.361?

(b) What would the critical angle be for this substance in air?
°

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