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प्रश्न
The frequency is measured in second.
पर्याय
True
False
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उत्तर
False.
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संबंधित प्रश्न
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.
The quality of a sound depends on the amplitude of wave.
Name three characteristics of a musical sound.
If the amplitude of a wave is doubled, what will be the effect on its loudness?
A man playing a flute is able to produce notes of different frequencies. If he closes the holes near his mouth, will the pitch of the note produced, increase or decrease? Give a reason.
Explain the following and illustrate your answer by drawing appropriate diagram:
Loudness
What is meant by the ‘pitch’ of a note? Does it depend on the loudness or ‘quality’ of the ‘note’? How is pitch ‘related’ with frequency?
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.
