A narrow beam of light is incident on one surface of a plane parallel plate of glass. The index of which is 1.62 and has a thickness of 5 cm at an angle of 45 degrees to the normal, trace the path of light through the plate. What will be the direction of the emergent light if the second surface of the glass is immersed in an oil with an index of 1.49Answer:Air to Glass: 25 degrees 52'Glass to Oil: 28 degrees 19'Oil to Air: 44 degrees 58'Above are the answers to the question. Please show the solution how the answers are derived. Example Case ProblemA light ray travels from air to crown glass. If theangle of incidence is 20 degrees, what is theangle of refraction?n sin 0=n sin ở1.00 sin 20° = 1.52 sin ở1.00(0.34202)=1.52 sin ở0.34202=1.52 sin 01.01.520.22501 - sin e13.00366= 0 INV SIN13* = 0 INV DEG1.52n' 1.52ANGLE OF DEVIATIONAngle of deviation is the angle produced after the Angle of Refraction.Formula:Ld -L-Lr*if the angle of refraction is more than the angle of incidence then:Ld-Lr-LILd (TIR) - 180-2 u Case Problem1. What is the angle of deviation if a ray of lightin water is incident at an angle of 45 degreesand the angle of refraction is 35 degrees?If, Li > Lr:Ld=Li-LrLd = Li - LrLd = 45 - 35Ld = 100Activity 3: Skill BuildingFind a partner and solve the case exercise.1. Aray of light travels from within the diamond towards air, what is the angle of refraction if:a. the angle of incidence is 5 degrees?b. the angle of incidence is 24.41 degrees?2. What is the angle of deviation if a ray of light in diamond is incident at an angle of 32 degrees? (thisis an example of TIR)

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Answered: A narrow beam of light is incident on…

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 85AP: Unreasonable results Suppose light travels from water to another substance, with an angle of...

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A narrow beam of light is incident on one surface of a plane parallel plate of glass. The index of which is 1.62 and has a thickness of 5 cm at an angle of 45 degrees to the normal, trace the path of light through the plate. What will be the direction of the emergent light if the second surface of the glass is immersed in an oil with an index of 1.49

Answer:
Air to Glass: 25 degrees 52'
Glass to Oil: 28 degrees 19'
Oil to Air: 44 degrees 58'

Above are the answers to the question. Please show the solution how the answers are derived.

Example Case Problem
A light ray travels from air to crown glass. If the
angle of incidence is 20 degrees, what is the
angle of refraction?
n sin 0=n sin ở
1.00 sin 20° = 1.52 sin ở
1.00(0.34202)=1.52 sin ở
0.34202=1.52 sin 0
1.0
1.52
0.22501 - sin e
13.00366= 0 INV SIN
13* = 0 INV DEG
1.52
n' 1.52
ANGLE OF DEVIATION
Angle of deviation is the angle produced after the Angle of Refraction.
Formula:
Ld -L-Lr
*if the angle of refraction is more than the angle of incidence then:
Ld-Lr-LI
Ld (TIR) - 180-2 u

Case Problem
1. What is the angle of deviation if a ray of light
in water is incident at an angle of 45 degrees
and the angle of refraction is 35 degrees?
If, Li > Lr:
Ld=Li-Lr
Ld = Li - Lr
Ld = 45 - 35
Ld = 100
Activity 3: Skill Building
Find a partner and solve the case exercise.
1. Aray of light travels from within the diamond towards air, what is the angle of refraction if:
a. the angle of incidence is 5 degrees?
b. the angle of incidence is 24.41 degrees?
2. What is the angle of deviation if a ray of light in diamond is incident at an angle of 32 degrees? (this
is an example of TIR)

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