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प्रश्न
Which characteristics of sound will change if there is a change in its amplitude and its waveform.
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उत्तर
Amplitude changes – Loudness changes.
संबंधित प्रश्न
Name the factor that determines Pitch of the note.
The unit of loudness is _______.
Name the unit in which the loudness of sound is expressed.
Name the characteristic of the sound affected due to a change in its
(a) amplitude (b) waveform (c) frequency.
Name musical instrument, one in each case, which produces its notes by using the following. In each case state the method used to produce notes of different pitches and loudness.
(a) A vibrating string.
(b) A vibrating column air.
(c) Vibration of any other body.
Name the factors which determine the pitch of a note.
How do you account for the fact that two strings can be used to give notes of the same pitch and loudness but of different quality?
When a gun is fired at a distance, why is it that the flash is seen almost instantaneously while the sound is heard a little later?
Give a 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 reason.
In earlier times, people used to listen for the arrival of a distant train by putting their ear to the rail.
