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PHYSICS 1B03 Lecture 1: Refractions Complex Questions

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hannabrown12228
13 Jan 2023
School
McMaster University
Department
Physics
Course
PHYSICS 1B03
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Document Summary

A) the index of refraction refers to the ratio of speed of light in a medium compared to speed of light in a vacuum. So there must be some incorrect math to get a speed greater than 3. 0 x . Faster than that is impossible: you see more refraction (more bending) the greater the difference in the n" values. Diamond and glass are closer in n" values (2. 42 and 1. 5) than diamond and air (2. 42 and 1. 00) so there will be less refraction with the glass next to diamond. The angle of refraction will be greater than 56 : light travels at a slightly different speed in each medium. So every medium has a different n" value or different refractive index. This means the n" value or refractive index is unique for each substance.

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Related textbook solutions

Physics: Principles with Applications
7th Edition, 2013
Giancoli
ISBN: 9780321625922

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Related Questions

The speed of light in a vacuum is c = 3.0 x108 m/s while the speed of light in diamond ismeasuredto be 1.24 10 8 m/s . What isthe index of refractionofdiamond?

Every transparent material can be characterized by what is called its index of refraction,Ā n, given by the equation

Chapter 9, Problem 4C, Every transparent material can be characterized by what is called its index of refraction, n, given , example 1

HereĀ cĀ is the speed of light in a vacuum andĀ vĀ is the speed of light in the transparent material. Although normal air is not quite a vacuum, its density is small enough thatĀ vair is approximately equal toĀ c, so that we may takeĀ Chapter 9, Problem 4C, Every transparent material can be characterized by what is called its index of refraction, n, given , example 2without too much error.
The precise mathematical relationship between the angles of incidence and refraction is given by what is known as Snellā€™s law,

Chapter 9, Problem 4C, Every transparent material can be characterized by what is called its index of refraction, n, given , example 3
whereĀ n1 andĀ A1 are the index of refraction and the angle between the light ray and the normal, respectively, in medium 1, andĀ n2 andĀ A2 are the corresponding quantities for medium 2.

(a) Using the information in Table 9.1, compute the index of refraction for water and for fused silica (glass).
(b) Verify the result in Example 9.2 using Snellā€™s law explicitly. Show, using the same relationship, that the values for the angles of refraction in air (medium 2) in panels (b), (c), (d), and (e) of Figure 9.36 are correct for the given angles of incidence in glass (medium 1).

Ā 

Diamond has a higher index of refraction than water. The speed oflight in a diamond is:

a. slower than the speed of light in water
b. the same as the speed of light in water
c. faster than the speed of light in water