Industry-relevant training in Business, Technology, and Design to help professionals and graduates upskill for real-world careers.
Fun, engaging games to boost memory, math fluency, typing speed, and English skillsβperfect for learners of all ages.
Enroll to start learning
Youβve not yet enrolled in this course. Please enroll for free to listen to audio lessons, classroom podcasts and take mock test.
Test your understanding with targeted questions related to the topic.
Question 1
Easy
What is refraction?
π‘ Hint: Think of how light behaves when moving between air and water.
Question 2
Easy
What does Snell's Law describe?
π‘ Hint: Remember the formula involving angles and indices!
Practice 4 more questions and get performance evaluation
Engage in quick quizzes to reinforce what you've learned and check your comprehension.
Question 1
What does Snell's Law relate?
π‘ Hint: It involves the ratios of angles and their respective indices.
Question 2
True or False: A light ray can cross into a rarer medium from a denser medium at any angle.
π‘ Hint: Consider what's happening at that critical angle.
Solve and get performance evaluation
Push your limits with challenges.
Question 1
A light beam from air hits a glass surface at a 60-degree angle. Calculate the angle of refraction. Assume the refractive index of air is 1.00 and glass is 1.50.
π‘ Hint: Make sure to convert your values and solve step by step.
Question 2
Explain why diamonds sparkle more than other gems using the principles of refraction and total internal reflection.
π‘ Hint: Think of the angles of incidence and reflection that maximize sparkle!
Challenge and get performance evaluation