Advertisements
Advertisements
प्रश्न
Name the unit used to measure the sound level.
Advertisements
उत्तर
The decibel is the unit used to measure the sound level.
`1 "dB" = 1/10` th of bel.
APPEARS IN
संबंधित प्रश्न
How is the loudness of sound related to the intensity of the wave producing it?
Comment on the statement 'loudness of sound is a subjective quantity, while intensity is an objective quantity.
State the factor that determine the loudness of the sound heard.
By reducing the amplitude of a sound wave, its ______.
The loudness of sound is determined by the
Two astronauts are floating close to each other in space. Can they talk to each other without using any special device? Give reasons.
An alarm bell is kept inside a vessel as shown in the following figure. A person standing close to it can distinctly hear the sound of alarm. Now, if the air inside the vessel is removed completely, how will the loudness of alarm get affected for the same person?

Loudness equal to (or) greater than ______ can be painful to the ear.
Name the distinguishing factors of sound.
Which characteristic of sound is affected due to the larger surface of a school bell?
