Question

Explain loudness ,pitch ,and quality of a sound

Answer 1

Answer:

Explanation:

Loudness : loudness is the characteristic of sound by virtue of which a loud sound can be distinguished from a faint sound .

Pitch : it is the characteristic of sound that differentiates an acute or shrill sound from a flat sound .

Quality : quality is the characteristic which distinguishes two sounds of the same pitch and same loudness .

Answer 2

Answer:

In our day to day life, we come across different types of sound, and we are well equipped with a mechanism to understand different types of variations in the sound pattern. A mother talking to her kid has a different voice compared to that of the kid. Did you ever think why every person have a different voice? Let’s learn about the loudness of sound, the pitch of the sound and their difference.

Loudness of Sound

This phenomenon of a sound depending on the amplitude of the sound wave. If the amplitude of the sound wave is large, then the sound is said to be loud.

It is directly proportional to the square of the amplitude of vibration. If the amplitude of the sound wave becomes double, then the loudness of the sound will be quadrupled.

It is expressed in decibel (dB).

Sounds above 80 dB becomes noise to human ears.

The table given below gives us data for various sources of sound.

The loudness of a sound wave is determined by its association with the amplitude, all types of waves have a certain amplitude. For example, a height of a wave on a calm ocean will be less than 1 foot whereas good surfing waves might be 10 feet or more in amplitude. During a storm, the amplitude might increase to 40 to 50 feet.

Pitch of Sound

This depends on the frequency of vibration of the waves.

If the frequency of vibration is higher, we say that the sound is shrill and has a high pitch. On the other hand, if the sound is said to have a lower pitch then it has a lower frequency of vibration.

A bird produces high pitched sound whereas roaring of a lion is a low pitched sound.

Voice of a woman has a high pitch than that of a man