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Which of the following statements is true about the critical angle for total int
Which of the following statements is true about the critical angle for total internal reflection? (2020)
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Practice Questions
1 question
Q1
Which of the following statements is true about the critical angle for total internal reflection? (2020)
It is always less than 90 degrees
It is always greater than 90 degrees
It is equal to 90 degrees
It depends on the medium
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The critical angle is defined as the angle of incidence above which total internal reflection occurs, and it is always less than 90 degrees.
Questions & Step-by-step Solutions
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Q
Q: Which of the following statements is true about the critical angle for total internal reflection? (2020)
Solution:
The critical angle is defined as the angle of incidence above which total internal reflection occurs, and it is always less than 90 degrees.
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