State the Characteristics of standing waves.

1.	State the Characteristics of standing waves.
Answer» Characteristics of standing waves : (1) The disturbance confined to a particular region (2) There is no forward motion of the disturbance beyond this particular region. (3) The total energy is twice the energy of each wave. (4) Points of zero amplitude are known as nodes. The distance between two consecutive nodes is λ/2. (5) Points of maximum amplitude is known as antinodes. The distance between two consecutive antinodes is also λ/2. The distance between a node and adjoining antinode is λ/4. (6) The medium splits up into a number of segments. (7) All the particles in one segment vibrate in the same phase. Particles in two consecutive segments differ in phase by 180°. (8) Twice during each vibration, all the particles of the medium pass simultaneously through their mean position.

Answer»

Characteristics of standing waves :

(1) The disturbance confined to a particular region

(2) There is no forward motion of the disturbance beyond this particular region.

(3) The total energy is twice the energy of each wave.

(4) Points of zero amplitude are known as nodes.

The distance between two consecutive nodes is λ/2.

(5) Points of maximum amplitude is known as antinodes. The distance between two consecutive antinodes is also λ/2. The distance between a node and adjoining antinode is λ/4.

(6) The medium splits up into a number of segments.

(7) All the particles in one segment vibrate in the same phase. Particles in two consecutive segments differ in phase by 180°.

(8) Twice during each vibration, all the particles of the medium pass simultaneously through their mean position.

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