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प्रश्न
Two identical guitars are played by two persons to give notes of the same loudness and pitch. Will they differ in quality? Give reason for your answer.
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उत्तर १
उत्तर २
Because their waveforms are different, yes, their quality is different.
संबंधित प्रश्न
The sound from a mosquito is produced when it vibrates its wings at an average rate of 500 vibrations per second. What is the time period of the vibration?
An enemy plane is at a distance of 300 km from a radar. In how much time the radar will be able to detect the plane? Take velocity of radio waves as 3 x 108 ms-1
The ratio of amplitude of two waves is 3:4. What is the ratio of their loudness?
Name one property of waves that do not change when the wave passes from one medium to another.
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The pitch of sound depends on frequency.
How is loudness related to the amplitude of wave?
Name the unit in which the loudness of sound is expressed.
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(a) the pitch of a note.
(b) the loudness of the sound heard.
(c) the quality of the note.
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- loudness,
- pitch?
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Explain the following and illustrate your answer by drawing appropriate diagram:
Quality of a musical note.
Name the factors which determine the pitch of a note.
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?
How is it possible to detect the filling of a pitcher under a tap by hearing its sound at a distance?
Give scientific reason.
In earlier times, people used to listen for the arrival of a distant train by putting their ear to the rail.
