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प्रश्न
If a drum is beaten hard, its loudness ................
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उत्तर
increases.
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संबंधित प्रश्न
The lower the frequency of vibration, the higher is the pitch.
Name the phenomenon that causes a loud sound when the stem of a vibrating tuning fork is kept pressed on the surface of a table.
State one important property of waves used for echo depth sounding.
The distance from one compression to nearest rarefaction is called wavelength.
If the amplitude of a wave is doubled, what will be the effect on its loudness?
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.
Two waves of the same pitch have amplitudes in the ratio 1:3. What will be the ratio of frequencies?
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 frequency of the stretched string of a fixed length is f when it is plucked in the middle. Where should it be plucked so that string vibrates with frequency (i) 2f, (ii) 3f?
Draw diagrams to show these vibrations and name them.
What is acoustics?
