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प्रश्न
Loudness is determined by the __________ of vibration.
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उत्तर
Loudness is determined by the amplitude of vibration.
Explanation:
The loudness of sound depends on its amplitude. When the amplitude of the vibration is large, the sound produced is loud. When the amplitude is small, the sound produced is feeble.
संबंधित प्रश्न
Shrillness of a sound is determined by the ______ of vibration.
An enemy plane is at a distance of 300 km from a radar. In how much time the radar will be able to detect the plane? Take velocity of radio waves as 3 × 108 ms−1.
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 frequency is measured in second.
The pitch of sound depends on frequency.
Explain the mechanism of the formation of a longitudinal wave when the source vibrates in the air.
Two waves of the same pitch have amplitudes in the ratio 1:3. What will be the ratio of loudness?
Give scientific reason for the following:
Windows sometimes rattle when the low notes of a pipe organ are sounded.
Give scientific reason.
In earlier times, people used to listen for the arrival of a distant train by putting their ear to the rail.
Give scientific reasons.
In earlier times, people used to listen for the arrival of a distant train by putting their ear to the rail.
