Advertisements
Advertisements
प्रश्न
Name the unit in which the loudness of sound is expressed.
Advertisements
उत्तर
Unit of the loudness of sound is expressed in decibel(dB)
APPEARS IN
संबंधित प्रश्न
The ratio of the amplitude of two waves is 3:4. What is the ratio of their Frequencies?
What is an echo
Two waves of the same pitch have amplitudes in the ratio 1:3. What will be the ratio of loudness?
A man playing a flute is able to produce notes of different frequencies. If he closes the holes near his mouth, will the pitch of the note produced, increase or decrease? Give a reason.
Explain the following and illustrate your answer by drawing appropriate diagram:
Frequency
Explain the following and illustrate your answer by drawing appropriate diagram:
Pitch
What is meant by the ‘loudness’ of a sound? How is it related to the intensity?
If ______ of sound is decreased, its loudness also decreases.
Give scientific reason.
In earlier times, people used to listen for the arrival of a distant train by putting their ear to the rail.
