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प्रश्न
Which characteristics of sound will change if there is a change in its amplitude.
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उत्तर
A change in the amplitude of a sound changes its loudness. Greater amplitude produces a louder sound, while smaller amplitude produces a softer sound.
संबंधित प्रश्न
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.
Define the following term:
Frequency
If the amplitude of a wave is doubled, what will be the effect on its loudness?
What determines the pitch of a sound?
How does frequency affect a musical sound?
How can one distinguish the sounds of two musical instruments even if they are of the same pitch and same loudness?
If ______ of sound is decreased, its loudness also decreases.
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 reasons.
In earlier times, people used to listen for the arrival of a distant train by putting their ear to the rail.
