Professional Courses
Industry-relevant training in Business, Technology, and Design to help professionals and graduates upskill for real-world careers.
Categories
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
Enroll to start learning
You’ve not yet enrolled in this course. Please enroll for free to listen to audio lessons, classroom podcasts and take practice test.
Practice Questions
Test your understanding with targeted questions related to the topic.
Question 1
Easy
What is a wave?
💡 Hint: Think about how sound waves travel without physically carrying air along.
Question 2
Easy
Define amplitude in wave terms.
💡 Hint: Look for the highest points from the center line to understand amplitude better.
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 definition of a wave?
💡 Hint: Think about how sound travels through air.
Question 2
True or False: Electromagnetic waves can travel through a vacuum.
💡 Hint: Consider how sunlight reaches Earth.
Solve 2 more questions and get performance evaluation
Challenge Problems
Push your limits with challenges.
Question 1
A shallow pond experiences wave formations after a stone is dropped into it. If the wave amplitude is 0.5 m and the wavelength is 2 m, calculate the wave speed.
💡 Hint: Consider the relationship between frequency and wavelength.
Question 2
Two tuning forks are vibrating at frequencies of 440 Hz and 442 Hz. Calculate the beat frequency produced when both are sounded together.
💡 Hint: Focus on the difference in frequencies!
Challenge and get performance evaluation