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
Define a longitudinal wave.
💡 Hint: Think about how sound travels.
Question 2
Easy
What is compression in a sound wave?
💡 Hint: Opposite of rarefaction.
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 type of wave is a sound wave?
- Transverse
- Longitudinal
- Electromagnetic
💡 Hint: Think about how sound travels through air.
Question 2
True or False: Sound travels fastest in gases.
- True
- False
💡 Hint: Consider the arrangement of particles in different states of matter.
Solve 1 more question and get performance evaluation
Challenge Problems
Push your limits with challenges.
Question 1
A sound wave travels in air at a temperature of 15°C. Calculate its speed using the formula provided.
💡 Hint: Don't forget to plug the temperature into the speed of sound equation!
Question 2
Describe how the Doppler effect might impact sound from a moving ambulance.
💡 Hint: Think about how the frequency of sound changes as the source moves relative to you.
Challenge and get performance evaluation