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प्रश्न
In a longitudinal wave, compression and rarefaction are formed.
पर्याय
True
False
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उत्तर
True.
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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.
Name three characteristics of a musical sound.
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 scientific reason for the following:
Windows sometimes rattle when the low notes of a pipe organ are sounded.
Name the factors which determine the pitch of a note.
How can one distinguish the sounds of two musical instruments even if they are of the same pitch and same loudness?
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?
Give scientific reason.
In earlier times, people used to listen for the arrival of a distant train by putting their ear to the rail.
