4.7 - Numericals
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Practice Questions
Test your understanding with targeted questions
Calculate the refractive index if the angle of incidence is 60° and the angle of refraction is 30°.
💡 Hint: Use the formula μ = sin(i) / sin(r).
If the refractive index of a medium is 1.5 and the angle of incidence is 45°, what is the angle of refraction?
💡 Hint: Rearrange the refractive index formula to find the angle of refraction.
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Interactive Quizzes
Quick quizzes to reinforce your learning
What is the formula to calculate the refractive index?
💡 Hint: Think about how you can express the relationship between these angles.
True or False: A higher refractive index results in light bending more.
💡 Hint: Recall how refraction changes when light enters a denser medium.
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Challenge Problems
Push your limits with advanced challenges
Light travels from air (n=1) into a diamond (n=2.42); calculate the angle of refraction if the angle of incidence is 40°.
💡 Hint: Rearrange Snell's Law to isolate sin(r) and calculate.
A ray of light enters a liquid from air at an angle of 50°, where the refractive index of the liquid is 1.5. Find the angle of refraction.
💡 Hint: Apply the laws systematically and simplify before calculations!
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