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Concept explainers
To Compare: The angle of incidence and the angle of refraction.
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Explanation of Solution
Introduction:
When light passes from one medium to another, it changes the direction of propagation. It turns towards the direction of the normal when it passes from a rarer medium to a denser one, whereas when it passes from a denser medium to a rarer one, it turns in the direction away from the normal.
When a light ray passes from the air (rare medium) into a glass (denser medium), it would turn in the direction towards the normal. This would make the angle of refraction less than the angle of incidence.
Conclusion:
Thus, the angle of incidence would be larger than the angle of refraction.
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Chapter 18 Solutions
Glencoe Physics: Principles and Problems, Student Edition
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