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प्रश्न
How does the wave pattern of a loud note differ from a soft note? Draw a diagram.
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उत्तर १
उत्तर २
The loudness of a sound wave is determined by its amplitude; it is proportional to the square of the amplitude. Therefore, the louder sound corresponds to the wave of larger amplitude.
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संबंधित प्रश्न
State two conditions for an echo to take place
The distance from one compression to nearest rarefaction is called wavelength.
State three factors on which loundess of sound heard by a listener depends.
Explain the following and illustrate your answer by drawing appropriate diagram:
Frequency
How does frequency affect a musical sound?
Name the factors which determine the pitch of a note.
The diagram below shows three ways in which the string of an instrument can vibrate.
(i) Which of the above diagrams shows the fundamental note?
(ii) Which has the frequency 4 times that of the fundamental?
(iii) State the ratio between the frequency of the first and second.
The loudness of a sound depends on its pitch.
Give scientific reason.
In earlier times, people used to listen for the arrival of a distant train by putting their ear to the rail.
