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प्रश्न
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उत्तर
Pitch of a musical noted depends on its wavelength or frequency. Higher the frequency, higher the pitch.
Loudness depends upon the amplitude of the wave. Loudness is directly proportional to the square of amplitude.
Quality of a musical depends on the wave form.
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संबंधित प्रश्न
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:
1)The speed of sound.
2) The distance of the other cliff from the person
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Name the unit in which the loudness of sound is expressed.
What determines the pitch of a sound?
Draw a diagram to show the wave pattern of high pitch note and a low pitch note, but of the same loudness.
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.
Explain the following and illustrate your answer by drawing appropriate diagram:
Loudness
Explain the following and illustrate your answer by drawing appropriate diagram:
Pitch
How can one distinguish the sounds of two musical instruments even if they are of the same pitch and same loudness?
Give scientific reason.
In earlier times, people used to listen for the arrival of a distant train by putting their ear to the rail.
