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Fun, engaging games to boost memory, math fluency, typing speed, and English skillsβperfect for learners of all ages.
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Practice Questions
Test your understanding with targeted questions related to the topic.
Question 1
Easy
What is refraction?
π‘ Hint: Think about how light behaves when it enters water.
Question 2
Easy
Describe how apparent depth works.
π‘ Hint: Recall the example of a straw in a glass of water.
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 causes light to bend when it moves from air to water?
- It slows down
- It speeds up
- It stays the same
π‘ Hint: Think about how different materials affect light speed.
Question 2
True or False: Objects submerged in water always look deeper than they are.
- True
- False
π‘ Hint: Recall the example of the spoon in a glass of water.
Solve 1 more question and get performance evaluation
Challenge Problems
Push your limits with challenges.
Question 1
If a light ray travels from air to water at a 30-degree angle of incidence, calculate the angle of refraction in water (Refractive index of water = 1.33).
π‘ Hint: Remember n stands for the refractive index!
Question 2
You have a prism that separates light into red, green, and blue. If the red light bends the least, explain why this occurs.
π‘ Hint: Think about the color spectrum and wavelength!
Challenge and get performance evaluation