Advertisements
Advertisements
प्रश्न
How is loudness related to the amplitude of wave?
Advertisements
उत्तर
Greater the amplitude, greater is the loudness.
If we strike the drum gently, a faint sound is heard. But if we strike it hard, a loud sound is heard.
APPEARS IN
संबंधित प्रश्न
If the amplitude of vibration is large, sound is feeble.
Figure shows four waves A, B, C, and D
Name the wave which shows
(a) a note from a musical instrument,
(b) a soft note
(c) a shrill note.
How does the two sounds of same loudness and same pitch produced by different instruments differ? Draw diagrams to illustrate your answer.
Explain the following and illustrate your answer by drawing appropriate diagram:
Loudness
Give scientific reason for the following:
Windows sometimes rattle when the low notes of a pipe organ are sounded.
The same musical note when played on a piano and when played on a flute sounds different.
The frequency of the stretched string of a fixed length is f when it is plucked in the middle. Where should it be plucked so that string vibrates with frequency (i) 2f, (ii) 3f?
Draw diagrams to show these vibrations and name them.
Two waves of the same pitch have their amplitudes in the ratio 2 : 3.
(i) What will be the ratio of their loudness?
(ii) What will be the ratio of their frequencies?
What is acoustics?
Give scientific reason.
In earlier times, people used to listen for the arrival of a distant train by putting their ear to the rail.
