Advertisements
Advertisements
प्रश्न
Name the unit in which loudness of sound is measured.
उत्तर
The unit of loudness is phon which is equal to 1 dB.
APPEARS IN
संबंधित प्रश्न
The ratio of amplitude of two waves is 3:4. What is the ratio of their loudness?
Name one property of waves that do not change when the wave passes from one medium to another.
State one important property of waves used for echo depth sounding.
Why is the loudness of sound heard by a plucked wire increased when mounted on a sound board?
If the amplitude of a wave is doubled, what will be the effect on its loudness?
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.
Name the factors which determine the pitch of a note.
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?
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:
______ is a general term for the distinguishable characteristic of a wave.
