Concept explainers
(a)
The ray diagram with all rays emerging from the prism.
(a)
Answer to Problem 74P
Explanation of Solution
The angle of prism is
Write the law of reflection
Here,
Write the expression for
Find
Write the expression for critical angle
Here,
Substitute
Since
(b)
The ray diagram when the prism is immersed in water.
(b)
Answer to Problem 74P
The ray diagram when the prism is immersed in water is given in figure 2.
Explanation of Solution
The refractive index of the water is
Substitute
Since
Write the expression for Snell’s law
Here,
Rearrange for
Substitute
Thus, the angle of refraction is
(c)
The ray diagram when the prism is immersed in sugar solution.
(c)
Answer to Problem 74P
The ray diagram when the prism is immersed in sugar solution is given in figure 3.
Explanation of Solution
The refractive index of the sugar solution is
The ray diagram for prism immersed in sugar solution is given below
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Chapter 23 Solutions
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