Advertisements
Advertisements
Question
What do you understand by the loudness of sound?
Solution
Loudness is the property by virtue of which a loud sound can be distinguished from a faint one, both having the same pitch and quality.
APPEARS IN
RELATED QUESTIONS
An enemy plane is at a distance of 300 km from a radar. In how much time the radar will be able to detect the plane? Take velocity of radio waves as 3 x 108 ms-1
Name the factor that determines Loudness of the sound heard.
Define the following terms :
(a) Amplitude
(b) Frequency
(c) Time period.
Which of the following determines the loudness of a sound wave?
State three factors on which loundess of sound heard by a listener depends.
Name musical instrument, one in each case, which produces its notes by using the following. In each case state the method used to produce notes of different pitches and loudness.
(a) A vibrating string.
(b) A vibrating column air.
(c) Vibration of any other body.
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?
If ______ of sound is decreased, its loudness also decreases.
Give a scientific reason.
The sounds generated by a tabla and a sitar are different.