Sound Wave Propagation
When a sound is produced, it originates from a source that vibrates. This vibration creates a disturbance in the surrounding medium (like air, water, or solids).
What Travels Through the Medium?
Sound travels as a mechanical wave. This wave is essentially the propagation of the disturbance created by the sound source. The particles of the medium oscillate back and forth around their equilibrium positions, transferring energy from one particle to the next.
Key Points:
- The particles of the medium do not travel long distances with the wave. They only vibrate locally.
- It is the disturbance, representing the wave's energy, that travels through the medium from the source to the receiver.
Therefore, the entity that travels through the medium is the disturbance created by the sound source.
Similar Questions
- In a mixer, which control determines the amount of signal to be sent to the right or left channels?
- What are the speakers that handle the higher range of audio frequencies called?
In a PA system, a _____ is used to adjust the amplitude of different frequencies to achieve the desired quality of sound output.
- A 3.1 sound system has _____.
- What is the full form of DTS?
- For an echo to be heard clearly, the reflecting surface should be at least how far from the listener? (Take speed of sound ≈ 340 m/s)
- A sound of single frequency is called a:
- Megaphones, loudhailers, horns and musical instruments like trumpets and shehnais are designed to:
Important Questions from Sound
Which one among the following components is used as an amplifying device?
- What is required for the generation of a sound wave?
We hear an echo due to
Quality of a musical note depends on
- If the temperature of air increases, what happens to the speed of sound and the minimum distance to hear an echo?
