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Practice Questions
Test your understanding with targeted questions related to the topic.
Question 1
Easy
What is the law of reflection?
💡 Hint: Think about how light bounces off a surface.
Question 2
Easy
What happens to light when it passes from air to glass?
💡 Hint: Consider what happens when light slows down.
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 angle of reflection equal to?
- Angle of incidence
- Angle of refraction
- 90 degrees
💡 Hint: Think back to how a ball bounces off a wall.
Question 2
True or False: Waves do not bend when they pass from one medium to another.
- True
- False
💡 Hint: Recall how light behaves with a prism.
Solve 1 more question and get performance evaluation
Challenge Problems
Push your limits with challenges.
Question 1
A beam of light enters a glass block from air at an angle of 30 degrees. Calculate the angle of refraction if the index of refraction for glass is 1.5.
💡 Hint: Remember to use the sine function and solve step by step.
Question 2
Explain how a diffraction grating works in the context of light, and derive the formula for angle of diffraction.
💡 Hint: Consider the spacing of slits and the wavelength exhibited during diffraction.
Challenge and get performance evaluation