Let the smallest audible sound (nearer to total silence) is 0 dB. A sound 1000 times more powerful than the sound nearer to total silence is |
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(a) |
3 dB |
(b) |
1000 dB |
(c) |
10 dB |
(d) |
30 dB |
Let the smallest audible sound (nearer to total silence) is 0 dB. A sound 1000 times more powerful than the sound nearer to total silence is |
|||||||
(a) |
3 dB |
(b) |
1000 dB |
(c) |
10 dB |
(d) |
30 dB |