Concept explainers
(a)
The angle of refraction
(a)
Answer to Problem 96PQ
The angle of refraction
Explanation of Solution
Write the expression for Snell’s law that relates the angle of incidence and angle of refraction of a light ray when it travels from one medium to the other medium.
Here,
Solve the above equation to find
Conclusion:
Substitute 1.760 for
Here,
Therefore, the angle of refraction
(b)
The angle of incidence of the light ray at the sapphire air interface.
(b)
Answer to Problem 96PQ
The angle of incidence of the light ray at the sapphire air interface is
Explanation of Solution
Consider the diagram.
Figure-(1)
The above figure defines the light ray incident on the rectangular sapphire crystal at an angle of incidence is
Inside the sapphire crystal the ray travels in a straight line because the medium is same. So the angle of refraction at the air sapphire interface
Therefore, the angle of incidence of the light ray at the sapphire air interface is
(c)
The angle of refraction of the light ray at crystal air interface.
(c)
Answer to Problem 96PQ
The angle of refraction of the light ray at crystal air interface is
Explanation of Solution
Write the expression for Snell’s law that relates the angle of incidence and angle of refraction of a light ray when it travels from one medium to the other medium.
Here,
Solve the above equation to find
Conclusion:
Substitute
Therefore, the angle of refraction of the light ray at the crystal air interface is
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Chapter 38 Solutions
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