6 - Practice Problems
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Practice Questions
Test your understanding with targeted questions
Define Fermat’s Principle.
💡 Hint: Think about the fastest route!
What does Snell’s Law describe?
💡 Hint: It relates the angles to the refractive indices!
4 more questions available
Interactive Quizzes
Quick quizzes to reinforce your learning
What principle does Snell's Law derive from?
💡 Hint: Think about the fastest path light takes.
At Brewster's angle, the reflected light is completely polarized. True or False?
💡 Hint: Recall the properties of light reflection!
1 more question available
Challenge Problems
Push your limits with advanced challenges
A light beam travels from air (n=1) into water (n=1.33). Calculate the angle of refraction if the angle of incidence is 30 degrees.
💡 Hint: Check your sin values carefully!
Given a concave mirror with a radius of curvature R = 40 cm, find its focal length.
💡 Hint: Use the formula f = R/2 for mirrors!
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