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 amplitude?
💡 Hint: Think about what happens when a string is plucked.
Question 2
Easy
What is frequency measured in?
💡 Hint: Remember the unit of measure we often hear when talking about sound.
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 amplitude measure?
- Number of vibrations
- Loudness of sound
- Distance from the rest position
💡 Hint: Consider what amplitude means in relation to movements.
Question 2
True or False: The time period is the duration of one cycle of vibration.
- True
- False
💡 Hint: Think about what defines a cycle in motions.
Solve and get performance evaluation
Challenge Problems
Push your limits with challenges.
Question 1
If a sound wave has a frequency of 440 Hz, what is its time period? Calculate and explain your reasoning.
💡 Hint: Use the relationship between frequency and time period to find your answer.
Question 2
A tuning fork vibrates with a frequency of 400 Hz. If its amplitude increases, how does this affect the sound we hear?
💡 Hint: Consider how vibrations translate into sound volume.
Challenge and get performance evaluation