7 - Sound
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
Define sound.
💡 Hint: Think about how sound is made.
What is the audible range of sound for humans?
💡 Hint: Recall the range mentioned in class.
4 more questions available
Interactive Quizzes
Quick quizzes to reinforce your learning
What type of wave is sound?
💡 Hint: Think about how the particles move in relation to the wave direction.
True or False: Sound can travel through a vacuum.
💡 Hint: Consider the medium needed for sound to propagate.
2 more questions available
Challenge Problems
Push your limits with advanced challenges
If a sound wave travels at a speed of 340 m/s and has a frequency of 170 Hz, what is its wavelength?
💡 Hint: Rearranging the speed formula will help you find the wavelength.
Describe how sound is used in medical imaging and give one specific example.
💡 Hint: Think about how sound can penetrate soft tissues and reflect back.
Get performance evaluation
Reference links
Supplementary resources to enhance your learning experience.