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प्रश्न
Name the characteristic of the sound affected due to a change in its
(a) amplitude (b) waveform (c) frequency.
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उत्तर
(a) amplitude - Loudness
(b) waveform - Quality
(c) frequency - Pitch.
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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?
The ratio of the amplitudes of two waves is 3 : 4. What is the ratio of their loudness?
A person is standing at the seashore. An observer on the ship which is anchored in between a vertical cliff and the person on the shore fires a gun. The person on the shore hears two sounds, 2 seconds and 3 seconds after seeing the smoke of the fired gun. If the speed of sound in the air is 320 ms-1 then calculate:
1) the distance between the observer on the ship and the person on the shore.
2) the distance between the cliff and the observer on the ship.
Match the following
| column A | column B |
| (A) Amplitude | (1) frequency |
| (B) Frequency | (2) amplitude |
| (C) Loudness | (3)maximum displacement on either side |
| (D) Pitch | (4) presence of other frequencies |
| (E) Waveform | (5) 1/ time period |
The unit of loudness is _______.
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.
How does the wave pattern of a loud note differ from a soft note? Draw a diagram.
Draw a diagram to show the wave pattern of high pitch note and a low pitch note, but of the same loudness.
