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प्रश्न
State the safe limit of sound level in terms of decibel for human hearing.
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उत्तर
The safe limit of sound level for human hearing is 30 decibels (30 dB).
संबंधित प्रश्न
Shrillness of a sound is determined by the ______ of vibration.
What do you understand by the loudness of sound?
Name three characteristics of a musical sound.
If the amplitude of a wave is doubled, what will be the effect on its loudness?
Draw a diagram to show the wave pattern of high pitch note and a low pitch note, but of the same loudness.
A man playing a flute is able to produce notes of different frequencies. If he closes the holes near his mouth, will the pitch of the note produced, increase or decrease? Give a reason.
Which characteristics of sound will change if there is a change in its amplitude and its waveform.
What is acoustics?
