Which of the following statements are TRUE of standing wave patterns? Identify all that apply. A standing wave pattern is formed as a result of the interference of two or more waves. When a standing wave pattern is established, there are portions of the medium which are not disturbed. A standing wave is really not a wave at all; it is a pattern resulting from the interference of two or more waves which are traveling through the same medium. A standing wave pattern is a regular and repeating vibrational pattern established within a medium; it is always characterized by the presence of nodes and antinodes. An antinode on a standing wave pattern is a point which is stationary; it does not undergo any displacement from its rest position. For every node on a standing wave pattern, there is a corresponding antinode; there are always the same number of each. When a standing wave pattern is established in a medium, there are alternating nodes and antinodes, equally spaced apart across the medium.
Properties of sound
A sound wave is a mechanical wave (or mechanical vibration) that transit through media such as gas (air), liquid (water), and solid (wood).
Quality Of Sound
A sound or a sound wave is defined as the energy produced due to the vibrations of particles in a medium. When any medium produces a disturbance or vibrations, it causes a movement in the air particles which produces sound waves. Molecules in the air vibrate about a certain average position and create compressions and rarefactions. This is called pitch which is defined as the frequency of sound. The frequency is defined as the number of oscillations in pressure per second.
Categories of Sound Wave
People perceive sound in different ways, like a medico student takes sound as vibration produced by objects reaching the human eardrum. A physicist perceives sound as vibration produced by an object, which produces disturbances in nearby air molecules that travel further. Both of them describe it as vibration generated by an object, the difference is one talks about how it is received and other deals with how it travels and propagates across various mediums.
Which of the following statements are TRUE of standing wave patterns? Identify all that apply.
- A standing wave pattern is formed as a result of the interference of two or more waves.
- When a standing wave pattern is established, there are portions of the medium which are not disturbed.
- A standing wave is really not a wave at all; it is a pattern resulting from the interference of two or more waves which are traveling through the same medium.
- A standing wave pattern is a regular and repeating vibrational pattern established within a medium; it is always characterized by the presence of nodes and antinodes.
- An antinode on a standing wave pattern is a point which is stationary; it does not undergo any displacement from its rest position.
- For every node on a standing wave pattern, there is a corresponding antinode; there are always the same number of each.
- When a standing wave pattern is established in a medium, there are alternating nodes and antinodes, equally spaced apart across the medium.
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