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प्रश्न
The safe limit of loudness of audible sound is
विकल्प
0 to 80 dB
above 80 dB
120 dB
above 120 dB
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उत्तर
0 to 80 dB
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संबंधित प्रश्न
What do you understand by the loudness of sound?
In a piano, pitch is decreased by
What is longitudinal wave?
State three factors on which loudness of sound heard by a listener depends.
How is the pitch of sound in a guitar changed if (a) thin wire is used, (b) wire under less tension is used?
The same musical note when played on a piano and when played on a flute sounds different.
Which characteristics of sound will change if there is a change in its amplitude and its waveform.
Draw a diagram to show the waveforms of a pure note and a musical note, of the same pitch and same loudness.
If ______ of sound is decreased, its loudness also decreases.
Give a scientific reason.
We can hear the movement of a mosquito’s wings but we cannot hear the movement of our hands.
