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Question
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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Solution 1
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.
Solution 2
RELATED QUESTIONS
In a longitudinal wave, compression and rarefaction are formed.
The pitch of a stringed instrument is increased by .................. tension in string.
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 |
Figure shows four waves A, B, C, and D
Name the wave which shows
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(b) a soft note
(c) a shrill note.
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When a nail is hammering appears to get higher and higher in pitch.
How does frequency affect a musical sound?
How do you account for the fact that two strings can be used to give notes of the same pitch and loudness but of different quality?
How is it possible to detect the filling of a pitcher under a tap by hearing its sound at a distance?
What is meant by the ‘loudness’ of a sound? How is it related to the intensity?
