5 Questions
What type of wave is sound in physics?
Longitudinal wave
What is the unit of frequency?
Hertz
What is the characteristic of sound waves that refers to the number of complete waves that pass through a point per unit time?
Frequency
What type of wave propagates perpendicular to the direction of vibration?
Transverse wave
What is the condition necessary for mechanical waves to propagate?
The presence of a material medium
Study Notes
Definition of Sound in Physics
- Sound is defined as longitudinal mechanical waves.
- Mechanical waves require a material medium to propagate.
- Longitudinal waves vibrate in the same direction as their propagation.
Characteristics of Sound Waves
- Frequency is the number of complete waves that pass through a point per unit time.
- Frequency is equivalent to the reciprocal of periodic time.
- Frequency is measured in hertz (Hz), where 1 Hz = 1/second.
- Wavelength is a characteristic of sound waves.
- Amplitude is a characteristic of sound waves.
- Periodic time is a characteristic of sound waves.
Types of Waves
- Transverse waves propagate perpendicular to the direction of vibration.
- Examples of transverse waves include water waves.
This quiz covers the definition of sound in physics, including mechanical waves, longitudinal waves, and their properties.
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