Concept explainers
The critical angle for the interface between water and Lucite.
The medium from which ray should enter for total internal reflection to occur.
Answer to Problem 36P
The critical angle is
The medium from which ray should enter for total internal reflection to occur: Lucite
Explanation of Solution
Given info:
Refractive index for water is
Formula used:
According to Snell’s laws
Critical angle as
Calculation:
According to the question,
Also, light must start in the Lucite because it has higher index.
Conclusion:
The critical angle for the interface between water and Lucite is
Chapter 23 Solutions
Physics: Principles with Applications
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