the intensity of sound produced our normal conversation is ( ) a) 15dB b)30dB c) 60dB d)90dB
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2
Answer:
90 dB
Explanation:
The intensity of sound is measured in decibels (dB). 30 dB - 60 dB is for normal conversation, 90 dB- truck traffic, 100 dB - from construction site, 115 dB - sandblasting, loud rock concert, auto horn, 120 dB - 150 dB from jet engine.
Answered by
1
Answer:
30dB and 30dB
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