Podcast
Questions and Answers
What is the direction of oscillations in longitudinal waves?
What is the direction of oscillations in longitudinal waves?
- At an angle to the direction of wave travel
- Opposite to the direction of wave travel
- Along the direction of wave travel (correct)
- Perpendicular to the direction of wave travel
What is the amplitude of a wave?
What is the amplitude of a wave?
- The maximum displacement of the wave from the equilibrium position (correct)
- The wavelength of the wave
- The distance between successive peaks
- The frequency of the wave
What is the wavelength of a wave?
What is the wavelength of a wave?
- The frequency of the wave
- The maximum displacement of the wave from the equilibrium position
- The distance between successive 'like' points on a wave (correct)
- The distance between successive peaks
Which type of wave has oscillations perpendicular to the direction of wave travel?
Which type of wave has oscillations perpendicular to the direction of wave travel?
What is a common example of a longitudinal wave?
What is a common example of a longitudinal wave?
What is the definition of a wave?
What is the definition of a wave?
What is the main characteristic of sound intensity?
What is the main characteristic of sound intensity?
What is the SI unit of sound intensity?
What is the SI unit of sound intensity?
How does sound intensity from a point source change with distance?
How does sound intensity from a point source change with distance?
What is the application of sound intensity in biology?
What is the application of sound intensity in biology?
What is the principle behind sonar?
What is the principle behind sonar?
What is the term used to describe the process of sound waves being sent and reflected through water?
What is the term used to describe the process of sound waves being sent and reflected through water?
What is the change in pitch of a sound when the source and observer are moving relative to each other?
What is the change in pitch of a sound when the source and observer are moving relative to each other?
What is the unit of sound intensity level?
What is the unit of sound intensity level?
How much does the intensity of a sound increase with each increase in intensity level of 10 dB?
How much does the intensity of a sound increase with each increase in intensity level of 10 dB?
What is the relationship between the intensity of a sound and how loud it seems?
What is the relationship between the intensity of a sound and how loud it seems?
What is the faintest sound that can be heard?
What is the faintest sound that can be heard?
What is the relationship between a bel and a decibel?
What is the relationship between a bel and a decibel?
What happens when the source moves faster than the speed of sound?
What happens when the source moves faster than the speed of sound?
What is the Doppler effect used for in medical diagnostics?
What is the Doppler effect used for in medical diagnostics?
What is the frequency range of ultrasound waves?
What is the frequency range of ultrasound waves?
What is the purpose of Doppler imaging?
What is the purpose of Doppler imaging?
What is shown in a Doppler echocardiogram?
What is shown in a Doppler echocardiogram?
What is the Doppler effect used for in weather radar?
What is the Doppler effect used for in weather radar?
What determines the fundamental frequency of a string on a musical instrument?
What determines the fundamental frequency of a string on a musical instrument?
Why do guitar strings have different fundamental frequencies?
Why do guitar strings have different fundamental frequencies?
What is varied in a piano to produce different frequencies?
What is varied in a piano to produce different frequencies?
How are individual strings tuned to exact frequencies?
How are individual strings tuned to exact frequencies?
Why is it desirable to have small variations in tension between strings in a musical instrument?
Why is it desirable to have small variations in tension between strings in a musical instrument?
What is the characteristic shape of a grand piano's sound box due to?
What is the characteristic shape of a grand piano's sound box due to?
