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प्रश्न
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.
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उत्तर
(i) Pitch and timbre
(ii) As side drums and base drums are made up of different material, so it have different frequency hence the pitch. Their quality also varies hence timbre.
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संबंधित प्रश्न
The time period of a wave is 2 s. Its frequency is ..........
The pitch of a flute is decreased by ................... length of air column.
State the factors that determine
(a) the pitch of a note.
(b) the loudness of the sound heard.
(c) the quality of the note.
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.
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.
The same musical note when played on a piano and when played on a flute sounds different.
When a gun is fired at a distance, why is it that the flash is seen almost instantaneously while the sound is heard a little later?
Which characteristics of sound will change if there is a change in its amplitude and its waveform.
The loudness of a sound depends on its pitch.
