Advertisements
Advertisements
प्रश्न
If the amplitude of vibration is large, sound is feeble.
विकल्प
True
False
Advertisements
उत्तर
This statement is False.
Explanation:
The loudness of a sound is proportional to the square of the amplitude of its vibration. When the amplitude of the vibration is large, the sound produced is loud. When the amplitude is small, the sound produced is feeble.
APPEARS IN
संबंधित प्रश्न
Name the phenomenon that causes a loud sound when the stem of a vibrating tuning fork is kept pressed on the surface of a table.
The safe limit of loudness of audible sound is
Name the unit in which the loudness of sound is expressed.
A man playing a flute is able to produce notes of different frequencies. If he closes the holes near his mouth, will the pitch of the note produced, increase or decrease? Give a reason.
How can one distinguish the sounds of two musical instruments even if they are of the same pitch and same loudness?
The same musical note when played on a piano and when played on a flute sounds different.
When a gun is fired at a distance, why is it that the flash is seen almost instantaneously while the sound is heard a little later?
A 0.6 m long stretched wire is made to vibrate in two different modes as shown in figure
(a)
(b)
(i) If the frequency of the note produced in (b) is n, what is the frequency in case (a)?
(ii) In which case (a) or (b), is the note louder? Give reasons.
(iii) In which case is the pitch higher? Give reason.
Give scientific reason.
In earlier times, people used to listen for the arrival of a distant train by putting their ear to the rail.
