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प्रश्न
When sound travels in form of a wave
विकल्प
the particles of medium move from the source to the listener
the particles of medium remain stationary
the particles of medium start vibrating up and down
the particles of medium transfer energy without leaving their mean positions.
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उत्तर
the particles of medium transfer energy without leaving their mean positions.
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संबंधित प्रश्न
In a longitudinal wave, compression and rarefaction are formed.
The frequency is measured in second.
In a piano, pitch is decreased by
Name the unit in which the loudness of sound is expressed.
Explain the following and illustrate your answer by drawing appropriate diagram:
Pitch
Give scientific reason for the following:
Windows sometimes rattle when the low notes of a pipe organ are sounded.
What is meant by the ‘pitch’ of a note? Does it depend on the loudness or ‘quality’ of the ‘note’? How is pitch ‘related’ with frequency?
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.
What does the intensity of sound depend upon?
Give scientific reason.
In earlier times, people used to listen for the arrival of a distant train by putting their ear to the rail.
