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ICSE /Class 8
Physics MCQ Based On Loudness and amplitude
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ICSE Class 8 Physics Loudness and amplitude
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Having loudness of 0dB.
A sound wave's amplitude relates to changes in pressure. The sound is perceived as louder if the amplitude increases, and softer if the amplitude decreases.
A sound wave's amplitude relates to changes in pressure. The sound is perceived as louder if the amplitude increases, and softer if the amplitude decreases.
The amplitude mentioned in the question is loud noise.
Refer to the formula for loudness.
The factors on which loudness depends.
0dB is for pin drop.
L = (A)2
L = (A)2
Unit of loudness.
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