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प्रश्न
Name one main factor on which each character such as intensity, pitch, and quality of musical sound depends.
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उत्तर
Intensity depends on amplitude, pitch on frequency, and quality on the waveform.
संबंधित प्रश्न
The time period of a wave is 2 s. Its frequency is ..........
The pitch of a stringed instrument is increased by .................. tension in string.
How does the wave pattern of a loud note differ from a soft note? Draw a diagram.
It is observed that during march-past we hear a base drum distinctly from a distance compared to the side drums.
(i) Name the characteristics of sound associated with the above obervation.
(ii) Give a reason for the above observation.
Name musical instrument, one in each case, which produces its notes by using the following. In each case state the method used to produce notes of different pitches and loudness.
(a) A vibrating string.
(b) A vibrating column air.
(c) Vibration of any other body.
How is it possible to detect the filling of a pitcher under a tap by hearing its sound at a distance?
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.
Give a scientific reason.
The sounds generated by a tabla and a sitar are different.
Give scientific reason.
In earlier times, people used to listen for the arrival of a distant train by putting their ear to the rail.
