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प्रश्न
What do you understand by the loudness of sound?
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उत्तर
Loudness is the property by virtue of which a loud sound can be distinguished from a faint one, both having the same pitch and quality.
संबंधित प्रश्न
The lower the frequency of vibration, the higher is the pitch.
State the safe limit of sound level in terms of decibel for human hearing.
State three factors on which loudness of sound heard by a listener depends.
Name the characteristic of sound related to its frequency
Two musical notes of the same pitch and same loudness are played on two different instruments. Their wave patterns are as shown in figure.
How do they differ in
(a) loudness,
(b) pitch and
(c) quality
Give a scientific reason.
We can hear the movement of a mosquito’s wings but we cannot hear the movement of our hands.
The loudness of a sound depends on its pitch.
Give scientific reason.
In earlier times, people used to listen for the arrival of a distant train by putting their ear to the rail.
Give scientific reasons.
In earlier times, people used to listen for the arrival of a distant train by putting their ear to the rail.
