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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
Name the factor that determines Loudness of the sound heard.
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
Two identical guitars are played by two persons to give notes of the same loudness and pitch. Will they differ in quality? Give reason for your answer.
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
Name the factors which determine the pitch of a note.
Two musical notes of the same pitch and loudness are played on a violin and a piano. Their waveforms are as shown in the figure below:
If ______ of sound is decreased, its loudness also decreases.
What is acoustics?
Give scientific reason.
In earlier times, people used to listen for the arrival of a distant train by putting their ear to the rail.
