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प्रश्न
Name the characteristic of the sound affected due to a change in its
(a) amplitude (b) waveform (c) frequency.
उत्तर
(a) amplitude - Loudness
(b) waveform - Quality
(c) frequency - Pitch.
APPEARS IN
संबंधित प्रश्न
What do you understand by the loudness of sound?
What is longitudinal wave?
If the amplitude of a wave is doubled, what will be the effect on its loudness?
Standing at a distance, how is it possible to detect the filling of bucket under a water tap by hearing the sound?
- Which of the following quality determines the loudness of a sound wave?
- wavelength
- frequency and
- amplitude
- How is loudness related to the quantity mentioned above in part (a)?
Two waves of the same pitch have amplitudes in the ratio 1:3. What will be the ratio of loudness?
Explain the following and illustrate your answer by drawing appropriate diagram:
Loudness
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.
Name the factors which determine the quality of a note.
Two waves of the same pitch have their amplitudes in the ratio 2 : 3.
(i) What will be the ratio of their loudness?
(ii) What will be the ratio of their frequencies?
