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प्रश्न
Figure shows four waves A, B, C, and D
Name the wave which shows
(a) a note from a musical instrument,
(b) a soft note
(c) a shrill note.
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उत्तर
(a) a note from a musical sound is shown by (D)
(b) a soft note is shown by (A)
(c) a shrill note is shown by (C)
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संबंधित प्रश्न
Define the following term:
Frequency
How is loudness related to the amplitude of wave?
Name the unit in which the loudness of sound is expressed.
Name and define the characteristic which enables one to distinguish two sounds of same loudness, but of different frequencies, given by the same instrument.
Two waves have frequencies 256 Hz and 512 Hz, but same amplitude. Compare their (i) loudness, and (ii) pitch
Name three characteristics of a musical sound.
Two waves of the same pitch have amplitudes in the ratio 1:3. What will be the ratio of frequencies?
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.
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.
