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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
The distance from one compression to nearest rarefaction is called wavelength.
Name the unit in which the loudness of sound is expressed.
If the amplitude of a wave is doubled, what will be the effect on its loudness?
Name the unit in which loudness of sound is measured.
How does the two sounds of same loudness and same pitch produced by different instruments differ? Draw diagrams to illustrate your answer.
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.
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?
Three musical instruments give out notes at the frequencies listed below. Flute: 400 Hz; Guitar: 200 Hz; Trumpet: 500 Hz. Which one of these has the highest pitch?
Two waves of the same pitch have their amplitudes in the ratio 2 : 3.
(i) What will be the ratio of their loudness?
(ii) What will be the ratio of their frequencies?
Give scientific reason.
In earlier times, people used to listen for the arrival of a distant train by putting their ear to the rail.
