What is meaning of intensity of sound?

What is meaning of intensity of sound?

sound intensity, amount of energy flowing per unit time through a unit area that is perpendicular to the direction in which the sound waves are travelling.

What is the intensity of a sound wave?

The amount of energy that is transported past a given area of the medium per unit of time is known as the intensity of the sound wave. The greater the amplitude of vibrations of the particles of the medium, the greater the rate at which energy is transported through it, and the more intense that the sound wave is.

What do you mean by intensity and loudness of sound?

The intensity of a sound is the power of the sound in Watts divided by the area the sound covers in square meters. The loudness of a sound relates the intensity of any given sound to the intensity at the threshold of hearing. It is measured in decibels (dB).

What is meant by intensity level?

1. intensity level – the amount of energy transmitted (as by acoustic or electromagnetic radiation); “he adjusted the intensity of the sound”; “they measured the station’s signal strength” intensity, strength. radio brightness – the strength of a radio wave picked up by a radio telescope.

What is the intensity of sound in normal conversation?

between 30-60 decibels
The most desirable intensity of sound to support a normal conversation is between 30-60 decibels. Hence, we can say that the intensity of sound between 30-60 decibels is the intensity for a normal conversation.

What is intensity of sound for Class 10?

The intensity of a sound wave is defined as the amount of sound energy passing through a unit area per second.

How does intensity affect the sound?

The average amount of energy passing through a unit area per unit of time in a specified direction is called the intensityof the wave. As the amplitude of the sound wave increases, the intensity of the sound increases. Sounds with higher intensities are perceived to be louder.

Which unit is used to measure the intensity of sound?

We measure sound intensity (also referred to as sound power or sound pressure) in units called decibels. Decibels (dB) are named in honor of Alexander Graham Bell, the inventor of both the telephone and the audiometer.

What does the intensity of sound depend upon?

The Intensity of Sound The intensity of sound, at a given distance, depends upon the amplitude of the waves. Thus, a tuning fork gives out more energy in the form of sound when struck hard than when struck gently.

What scale is used to define sound intensities?

Because of the enormous nonlinearity of the ear in sensing pressure waves, a nonlinear scale is convenient in describing the intensity of sound waves. Such a scale is provided by the sound intensity level, or decibel level, of a sound wave, which is defined by the equation