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प्रश्न
Name the factors which determine the pitch of a note.
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उत्तर
The pitch of a note determined by its frequency.
(i.e., the presence of secondary tones along with the principal note)
संबंधित प्रश्न
If the amplitude of vibration is large, sound is feeble.
In which units is the loudness of sound measured?
A person is standing at the seashore. An observer on the ship which is anchored in between a vertical cliff and the person on the shore fires a gun. The person on the shore hears two sounds, 2 seconds and 3 seconds after seeing the smoke of the fired gun. If the speed of sound in the air is 320 ms-1 then calculate:
1) the distance between the observer on the ship and the person on the shore.
2) the distance between the cliff and the observer on the ship.
Explain the mechanism of the formation of a longitudinal wave when the source vibrates in the air.
Figure shows two jars A and B containing water up to different heights. Which will produce sound of higher pitch when air is blown on them?
Two waves of the same pitch have amplitudes in the ratio 1 : 3 What will be the ratio of their
- loudness,
- pitch?
Name the factors which determine the loudness of a note.
The same musical note when played on a piano and when played on a flute sounds different.
The frequency of the stretched string of a fixed length is f when it is plucked in the middle. Where should it be plucked so that string vibrates with frequency (i) 2f, (ii) 3f?
Draw diagrams to show these vibrations and name them.
The diagram below shows three ways in which the string of an instrument can vibrate.
(i) Which of the above diagrams shows the fundamental note?
(ii) Which has the frequency 4 times that of the fundamental?
(iii) State the ratio between the frequency of the first and second.
