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प्रश्न
The pitch of a flute is decreased by ................... length of air column.
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उत्तर
increasing
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संबंधित प्रश्न
If the amplitude of vibration is large, sound is feeble.
Shrillness of a sound is determined by the ______ of vibration.
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.
Define the following term:
Frequency
If the amplitude of a wave is doubled, what will be the effect on its loudness?
How is the pitch of sound in a guitar changed if (a) thin wire is used, (b) wire under less tension is used?
Give a scientific reason.
We can hear the movement of a mosquito’s wings but we cannot hear the movement of our hands.
Give scientific reason.
In earlier times, people used to listen for the arrival of a distant train by putting their ear to the rail.
