Advertisements
Advertisements
Question
How is the pitch of sound in a guitar changed if (a) thin wire is used, (b) wire under less tension is used?
Advertisements
Solution
(a) Thin wire used - Higher pitch is obtained.
(b) Wire under less tension is used - a low pitch is obtained.
APPEARS IN
RELATED QUESTIONS
Name the factor that determines Loudness of the sound heard.
Name the factor that determines Quality of the note
State one important property of waves used for echo depth sounding.
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.

When sound travels in form of a wave
What is meant by the ‘loudness’ of a sound? How is it related to the intensity?
Two musical notes of the same pitch and loudness are played on a violin and a piano. Their waveforms are as shown in the figure below:

The diagram below shows three ways in which the string of an instrument can vibrate.

(i) Which of the above diagrams shows the fundamental note?
(ii) Which has the frequency 4 times that of the fundamental?
(iii) State the ratio between the frequency of the first and second.
______ is a general term for the distinguishable characteristic of a wave.
What is acoustics?
