10.12 - Exercises
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
What does it mean when we say sound needs a medium?
💡 Hint: Think about how you hear sound in different environments.
Name one source of noise pollution.
💡 Hint: Consider sounds that bother you in your daily life.
4 more questions available
Interactive Quizzes
Quick quizzes to reinforce your learning
Sound can travel through which medium?
💡 Hint: Consider how sound travels under water versus in the air.
True or False: Noise pollution is only related to music.
💡 Hint: Think about other noise sources you hear daily.
Get performance evaluation
Challenge Problems
Push your limits with advanced challenges
A violin string vibrates at a frequency of 446 Hz. How many oscillations does it complete in 2 seconds?
💡 Hint: Multiply the frequency by the time.
You are at a concert with music at 85 dB. How does exposure to sounds above 80 dB affect your hearing?
💡 Hint: Refer to the loudness levels discussed in class.
Get performance evaluation
Reference links
Supplementary resources to enhance your learning experience.