Question

1. What is sound? How is it produced?
2. State the factors that determine the pitch of the sound.​

Answer 1

Answer:

1... Sound is produced when something vibrates. The vibrating body causes the medium (water, air, etc.) around it to vibrate. Vibrations in air are called traveling longitudinal waves, which we can hear.

2... The four properties of the string that affect its frequency are length, diameter, tension, and density. These properties are described below: When the length of a string is changed, it will vibrate with a different frequency. Shorter strings have higher frequency and therefore higher pitch.

Answer 2

1. A sound is a vibration that propagates through a medium in the form of a mechanical wave travels in a longitudinal direction. The medium in which it propagates can either be a solid, a liquid or a gas. Sound travels fastest in solids, relatively slower in liquids and slowest in gases. Sound travels at a speed of 343 m/s at standard pressure and temperature. Amplitude, pitch and sound frequency can be determined by the wave height, wavelength, and speed of the wave.
2. The four properties of the string that affect its frequency are length, diameter, tension, and density. These properties are described below: When the length of a string is changed, it will vibrate with a different frequency. Shorter strings have higher frequency and therefore higher pitch.

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