Advertisements
Advertisements
Question
In which units is the loudness of sound measured?
Advertisements
Solution
The loudness of sound is measured in phon.
RELATED QUESTIONS
The ratio of the amplitudes of two waves is 3 : 4. What is the ratio of their loudness?
The distance from one compression to nearest rarefaction is called wavelength.
A tuning fork produces sound of ................... frequency.
Sound can not travel in
Obtain relationship between the time period and frequency.
How is loudness related to the amplitude of wave?
State three factors on which loundess of sound heard by a listener depends.
Three musical instruments give out notes at the frequencies listed below. Flute: 400 Hz; Guitar: 200 Hz; Trumpet: 500 Hz. Which one of these has the highest pitch?
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.
What is acoustics?
