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प्रश्न
What do you understand by the loudness of sound?
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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.
संबंधित प्रश्न
Shrillness of a sound is determined by the ______ of vibration.
The ratio of the amplitude of two waves is 3 : 4. What is the ratio of their Frequencies?
How is loudness related to the amplitude of wave?
Name the characteristic of sound related to its frequency
Name the characteristic of the sound affected due to a change in its
(a) amplitude (b) waveform (c) frequency.
Two waves of the same pitch have amplitudes in the ratio 1 : 3 What will be the ratio of their
- loudness,
- pitch?
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.
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 a scientific reason.
We can hear the movement of a mosquito’s wings but we cannot hear the movement of our hands.
