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प्रश्न
What do you understand by the loudness of sound?
उत्तर
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.
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संबंधित प्रश्न
Name the factor that determines Loudness of the sound heard.
A person is standing at the seashore. An observer on the ship which is anchored in between a vertical cliff and the person on the shore fires a gun. The person on the shore hears two sounds, 2 seconds and 3 seconds after seeing the smoke of the fired gun. If the speed of sound in the air is 320 ms-1 then calculate:
1) the distance between the observer on the ship and the person on the shore.
2) the distance between the cliff and the observer on the ship.
The distance from one compression to nearest rarefaction is called wavelength.
The quality of a sound depends on the amplitude of wave.
The pitch of sound depends on frequency.
Smaller the membrane, .................. is the pitch.
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.
Explain the following and illustrate your answer by drawing appropriate diagram:
Quality of a musical note.
How does frequency affect a musical sound?
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?
