Sound Waves Quiz

What does a tuning fork produce when it vibrates?

• Heat

• Sound

• Electricity

• Light

Through which medium does sound travel?

• Vacuum

• Air

• None of the above

• Space

What does not allow transmission of sound?

• Wood

• Vacuum

• Water

• Air

What type of waves does sound consist of?

• Surface waves

• Transverse waves

• Longitudinal waves

• Electromagnetic waves

What is the distance between two successive compressions or rarefactions called?

• Frequency

• Wavelength

• Velocity

• Amplitude

What is the upper limit of human hearing?

• 10kHz

• 20kHz

• 30kHz

• 40kHz

What is the speed of sound in air?

• 1500 m/s

• 5000 m/s

• 6000 m/s

• 330 m/s

What is ultrasound used for in medicine?

• To monitor heart rate

• To treat infections

• To measure blood pressure

• To produce images of internal organs

What happens when sound waves hit a hard flat surface?

• They disappear

• They are refracted

• They are absorbed

• They are reflected

What is the frequency range of ultrasound?

• Below 20Hz

• 20Hz to 20kHz

• Above 20kHz

• 20kHz to 40kHz