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Practice Questions
Test your understanding with targeted questions related to the topic.
Question 1
Easy
What is refraction?
💡 Hint: Think about how light behaves when it enters water.
Question 2
Easy
What does Snell's Law describe?
💡 Hint: Recall the equation with refractive indices.
Practice 4 more questions and get performance evaluation
Interactive Quizzes
Engage in quick quizzes to reinforce what you've learned and check your comprehension.
Question 1
What is the phenomenon of light bending when it passes from one medium to another called?
- Reflection
- Refraction
- Dispersion
💡 Hint: It's the term we discussed at the start.
Question 2
True or False: The refractive index is always greater than 1.
- True
- False
💡 Hint: Consider what happens when light enters a vacuum.
Solve 1 more question and get performance evaluation
Challenge Problems
Push your limits with challenges.
Question 1
A beam of light enters a diamond (n=2.42) from air (n=1) at an angle of 40 degrees. What will be the angle of refraction in the diamond?
💡 Hint: Remember to rearrange the formula to find sin(θ).
Question 2
Explain how the principles of refraction are applied in a camera lens to focus light. Include relevant formulas.
💡 Hint: Think about how the focal length changes with different lens shapes.
Challenge and get performance evaluation