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प्रश्न
Decibel is the unit of pitch of a sound.
पर्याय
True
False
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उत्तर
False.
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संबंधित प्रश्न
State two conditions for an echo to take place
In which units is the loudness of sound measured?
The pitch of a stringed instrument is increased by .................. tension in string.
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.
State three factors on which loundess of sound heard by a listener depends.
What determines the pitch of a sound?
Name the factors which determine the pitch of a note.
How can one distinguish the sounds of two musical instruments even if they are of the same pitch and same loudness?
Which characteristics of sound will change if there is a change in its amplitude and its waveform.
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?
