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प्रश्न
Draw a diagram to show the waveforms of a pure note and a musical note, of the same pitch and same loudness.
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उत्तर
The figure below shows the waveforms:
संबंधित प्रश्न
A pendulum oscillates 40 times in 4 seconds. Find its time period and frequency.
The ratio of the amplitudes of two waves is 3 : 4. What is the ratio of their loudness?
State two conditions for an echo to take place
Name the unit in which the loudness of sound is expressed.
Name and define the characteristic which enables one to distinguish two sounds of same loudness, but of different frequencies, given by the same instrument.
State three factors on which loundess of sound heard by a listener depends.
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 quality of a note.
What is acoustics?
Give scientific reason.
In earlier times, people used to listen for the arrival of a distant train by putting their ear to the rail.
