Light traveling in diamond is incident on a 3 cm thick piece of sapphire. It enters the sapphire at an angle of 50 degrees as shown. When it reaches a third material, it undergoes total internal reflection. a)What is the incident angle θ1 of the light in the diamond? b)How long did it take the light to travel in the sapphire and reenter the diamond? c)Which of the materials in the table listed above could be the mystery third material? (note, there may be none, one, or several of the materials). d)If the light frequency is 1.50(10)15 Hz when it is in the diamond, what is its frequency in the sapphire?

Light traveling in diamond is incident on a 3 cm thick piece of sapphire. It enters the sapphire at an angle of 50 degrees as shown. When it reaches a third material, it undergoes total internal reflection. a)What is the incident angle θ1 of the light in the diamond? b)How long did it take the light to travel in the sapphire and reenter the diamond? c)Which of the materials in the table listed above could be the mystery third material? (note, there may be none, one, or several of the materials). d)If the light frequency is 1.50(10)15 Hz when it is in the diamond, what is its frequency in the sapphire?

University Physics Volume 3

17th Edition

ISBN:9781938168185

Author:William Moebs, Jeff Sanny

Publisher:William Moebs, Jeff Sanny

Chapter9: Condensed Matter Physics

Section: Chapter Questions

Problem 80P: What is the critical magnetic field for lead at T = 2.8 K?

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Question

100%

a)What is the incident angle θ1 of the light in the diamond?

b)How long did it take the light to travel in the sapphire and reenter the diamond?

c)Which of the materials in the table listed above could be the mystery third material? (note, there may be none, one, or several of the materials).

d)If the light frequency is 1.50(10)¹⁵Hz when it is in the diamond, what is its frequency in the sapphire?

Material
Index of
refraction
Diamond
Ice
1.31
Fluorite
1.43
Sapphire
50
3 cm
Saphire
1.77
?
Diamond
2.42
X
Titanium
2.90
Dioxide

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