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Mar 3

Describe the main characteristics of sound waves?

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Mar 3
Sound waves are a type of mechanical wave that travel through a medium, such as air, water, or solids. The main characteristics of sound waves include:

1. Frequency: This refers to the number of vibrations per second and determines the pitch of the sound. Higher frequencies result in higher pitched sounds, while lower frequencies produce lower pitched sounds.

2. Amplitude: This refers to the intensity or loudness of the sound wave. The greater the amplitude, the louder the sound.

3. Wavelength: This is the distance between two consecutive points on a wave that are in phase. It is inversely proportional to the frequency of the sound wave.

4. Speed: Sound waves travel at a constant speed through a medium, which is determined by the properties of the medium. In air at room temperature, sound travels at approximately 343 meters per second.

5. Compression and rarefaction: Sound waves consist of alternating regions of compression (where the particles are close together) and rarefaction (where the particles are spread apart). This creates a pattern of high and low pressure regions that propagate through the medium.

6. Reflection, refraction, and diffraction: Sound waves can be reflected, refracted, and diffracted when they encounter boundaries or obstacles in their path. These phenomena can affect the way sound waves travel and interact with their surroundings.

7. Interference: When two or more sound waves overlap, they can interfere with each other constructively (resulting in a louder sound) or destructively (resulting in a quieter sound). This phenomenon is known as interference and can produce complex patterns of sound.

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