6.2.2.1 - Laws of Refraction (Snell’s Law)
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Practice Questions
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Define Snell's Law.
💡 Hint: Think about the relationship between angles.
What is a refractive index?
💡 Hint: It's a ratio related to light's speed.
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Interactive Quizzes
Quick quizzes to reinforce your learning
What does Snell's Law describe?
💡 Hint: Think about the relationship between two different materials.
True or False: The critical angle is the angle of incidence where total internal reflection occurs.
💡 Hint: Remember the definition of critical angle.
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Challenge Problems
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If light travels from glass (n=1.5) into oil (n=1.3) at an incidence angle of 40 degrees, calculate the angle of refraction.
💡 Hint: Use Snell’s Law and remember to convert angles to the right units.
Discuss how total internal reflection is crucial for fiber optics and what would happen without it.
💡 Hint: Think about light traveling through fiber without any reflections.
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