Advertisements
Advertisements
प्रश्न
Name the unit in which loudness of sound is measured.
Advertisements
उत्तर
The unit of loudness is phon which is equal to 1 dB.
APPEARS IN
संबंधित प्रश्न
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.
The ratio of amplitude of two waves is 3:4. What is the ratio of their loudness?
Decibel is the unit of pitch of a sound.
The pitch of a stringed instrument is increased by .................. tension in string.
In a piano, pitch is decreased by
Two musical notes of the same pitch and same loudness are played on two different instruments. Their wave patterns are as shown in figure.
How do they differ in
(a) loudness,
(b) pitch and
(c) quality
It is observed that during march-past we hear a base drum distinctly from a distance compared to the side drums.
(i) Name the characteristics of sound associated with the above obervation.
(ii) Give a reason for the above observation.
How can one distinguish the sounds of two musical instruments even if they are of the same pitch and same loudness?
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?
