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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
If the amplitude of vibration is large, sound is feeble.
What do you understand by the loudness of sound?
When sound propagates in air, it does not carry energy with it.
Which of the following determines the loudness of a sound wave?
State three factors on which loudness of sound heard by a listener depends.
State the factors that determine
(a) the pitch of a note.
(b) the loudness of the sound heard.
(c) the quality of the note.
Why is the loudness of the sound heard by a plucked wire increased when it is mounted on a sound board?
Give scientific reason for the following:
Windows sometimes rattle when the low notes of a pipe organ are sounded.
How is it possible to detect the filling of a pitcher under a tap by hearing its sound at a distance?
