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Interactive Games
Fun, engaging games to boost memory, math fluency, typing speed, and English skills—perfect for learners of all ages.
Typing
Memory
Math
English Adventures
Knowledge
Practice Questions
Test your understanding with targeted questions related to the topic.
Question 1
Easy
Define Fermat’s Principle in your own words.
💡 Hint: Think about the quickest route you would take.
Question 2
Easy
What does the law of reflection say?
💡 Hint: Remember the formula `i = r`.
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 does Fermat's Principle state about light?
- Light travels in a straight line
- Light takes the shortest time path
- Light reflects off surfaces
💡 Hint: Think of the quickest way light can travel.
Question 2
True or False: The angle of incidence is always equal to the angle of reflection.
- True
- False
💡 Hint: Remember the relationship between these angles.
Solve 1 more question and get performance evaluation
Challenge Problems
Push your limits with challenges.
Question 1
A light ray strikes a mirror at an angle of 45 degrees. What is the angle of reflection? Explain your reasoning.
💡 Hint: Remember `i = r`.
Question 2
Design a reflective surface that can enhance visibility in a dark room. Explain how the angles play a role in this design.
💡 Hint: Think about where light comes from and where it needs to go.
Challenge and get performance evaluation