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प्रश्न
Two waves of the same pitch have amplitudes in the ratio 1:3. What will be the ratio of loudness?
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उत्तर
Ratio of loudness will be 1:9
संबंधित प्रश्न
The sound from a mosquito is produced when it vibrates its wings at an average rate of 500 vibrations per second. What is the time period of the vibration?
Name three characteristics of a musical sound.
State three factors on which loudness of sound heard by a listener depends.
Name the characteristic of the sound affected due to a change in its
(a) amplitude (b) waveform (c) frequency.
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 three characteristics of a musical 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)?
How does the two sounds of same loudness and same pitch produced by different instruments differ? Draw diagrams to illustrate your answer.
Give a scientific reason.
We can hear the movement of a mosquito’s wings but we cannot hear the movement of our hands.
