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प्रश्न
Why is the loudness of the sound heard by a plucked wire increased when it is mounted on a sound board?
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उत्तर १
Because the board provides comparatively a large area and forces a large volume of air to vibrate and thereby increases the sound energy reaching our ears.
उत्तर २
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संबंधित प्रश्न
Shrillness of a sound is determined by the ______ of vibration.
The quality of a sound depends on the amplitude of wave.
The pitch of a flute is decreased by ................... length of air column.
A tuning fork produces sound of ................... frequency.
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 |
Obtain relationship between the time period and frequency.
Name the characteristic of the sound affected due to a change in its
(a) amplitude (b) waveform (c) frequency.
- 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)?
Which characteristics of sound will change if there is a change in its amplitude and its waveform.
Give scientific reason.
In earlier times, people used to listen for the arrival of a distant train by putting their ear to the rail.
