Think & Prepare R' You have three unkowns in this problem, the angle of refraction R, the angle of refraction and n. and n. 1. Set-up Snell's Law equation relating e, R 2. Set-up the critical angle relationship between 0 and n 3.0+0 0 = ? R 4. You may need some trigonometric identities such as sin (90° - 0) = ? and sine = 2. cose b. In the problem above, the angle e increases. How does this affect what n must be to ensure total internal reflection? A) n will decrease because the critical angle will become larger B) n will decrease becuase the equation for the critical angle is proportional to 1/n of the material C) n will increase because the critical angle will become smaller D) n will increase becuase the equation for the critical angle is proportional to 1/n of the material OA ○ AB CD ○ AC ○ BD a. A ray of light enters a fiber optic cable with index of refraction n from air at an angle e as shown below. Let the angle 0 be 69°. For total internal reflection to occur at the cable-air interface, what must be the value of n? n = nair = 1 0 θα θα n

College Physics
11th Edition
ISBN:9781305952300
Author:Raymond A. Serway, Chris Vuille
Publisher:Raymond A. Serway, Chris Vuille
Chapter1: Units, Trigonometry. And Vectors
Section: Chapter Questions
Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...
icon
Related questions
Question
Think & Prepare
R'
You have three unkowns in this problem, the angle of refraction R, the angle of refraction and n.
and n.
1. Set-up Snell's Law equation relating e, R
2. Set-up the critical angle relationship between 0 and n
3.0+0
0 = ?
R
4. You may need some trigonometric identities such as sin (90° - 0) = ? and
sine
= 2.
cose
b. In the problem above, the angle e increases. How does this affect what n must be to ensure total
internal reflection?
A) n will decrease because the critical angle will become larger
B) n will decrease becuase the equation for the critical angle is proportional to 1/n of the material
C) n will increase because the critical angle will become smaller
D) n will increase becuase the equation for the critical angle is proportional to 1/n of the material
OA
○ AB
CD
○ AC
○ BD
Transcribed Image Text:Think & Prepare R' You have three unkowns in this problem, the angle of refraction R, the angle of refraction and n. and n. 1. Set-up Snell's Law equation relating e, R 2. Set-up the critical angle relationship between 0 and n 3.0+0 0 = ? R 4. You may need some trigonometric identities such as sin (90° - 0) = ? and sine = 2. cose b. In the problem above, the angle e increases. How does this affect what n must be to ensure total internal reflection? A) n will decrease because the critical angle will become larger B) n will decrease becuase the equation for the critical angle is proportional to 1/n of the material C) n will increase because the critical angle will become smaller D) n will increase becuase the equation for the critical angle is proportional to 1/n of the material OA ○ AB CD ○ AC ○ BD
a. A ray of light enters a fiber optic cable with index of refraction n from air at an angle e as shown
below. Let the angle 0 be 69°. For total internal reflection to occur at the cable-air interface, what
must be the value of n?
n =
nair = 1
0
θα
θα
n
Transcribed Image Text:a. A ray of light enters a fiber optic cable with index of refraction n from air at an angle e as shown below. Let the angle 0 be 69°. For total internal reflection to occur at the cable-air interface, what must be the value of n? n = nair = 1 0 θα θα n
Expert Solution
steps

Step by step

Solved in 2 steps with 1 images

Blurred answer
Similar questions
  • SEE MORE QUESTIONS
Recommended textbooks for you
College Physics
College Physics
Physics
ISBN:
9781305952300
Author:
Raymond A. Serway, Chris Vuille
Publisher:
Cengage Learning
University Physics (14th Edition)
University Physics (14th Edition)
Physics
ISBN:
9780133969290
Author:
Hugh D. Young, Roger A. Freedman
Publisher:
PEARSON
Introduction To Quantum Mechanics
Introduction To Quantum Mechanics
Physics
ISBN:
9781107189638
Author:
Griffiths, David J., Schroeter, Darrell F.
Publisher:
Cambridge University Press
Physics for Scientists and Engineers
Physics for Scientists and Engineers
Physics
ISBN:
9781337553278
Author:
Raymond A. Serway, John W. Jewett
Publisher:
Cengage Learning
Lecture- Tutorials for Introductory Astronomy
Lecture- Tutorials for Introductory Astronomy
Physics
ISBN:
9780321820464
Author:
Edward E. Prather, Tim P. Slater, Jeff P. Adams, Gina Brissenden
Publisher:
Addison-Wesley
College Physics: A Strategic Approach (4th Editio…
College Physics: A Strategic Approach (4th Editio…
Physics
ISBN:
9780134609034
Author:
Randall D. Knight (Professor Emeritus), Brian Jones, Stuart Field
Publisher:
PEARSON