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प्रश्न
Explain the following and illustrate your answer by drawing appropriate diagram:
Frequency
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उत्तर
Frequency: Frequency of a vibrating body is defined as the number of vibrations completed by the body in one second.
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संबंधित प्रश्न
The ratio of the amplitudes of two waves is 3 : 4. What is the ratio of their loudness?
A person standing between two vertical cliffs and 480 m from the nearest cliff shouts. He hears the first echo after 3s and the second echo 2s later. Calculate:
- The speed of sound.
- The distance of the other cliff from the person
Decibel is the unit of pitch of a sound.
Name the unit in which the loudness of sound is expressed.
Two waves of the same pitch have amplitudes in the ratio 1 : 3 What will be the ratio of their
- loudness,
- pitch?
Name the unit in which loudness of sound is measured.
Why is the loudness of the sound heard by a plucked wire increased when it is mounted on a sound board?
How does frequency affect a musical sound?
Name the factors which determine the loudness of a note.
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.
