Physics, asked by vikrantpalle5275, 6 months ago

23. In a class of 100 students each shouting at100 dB. Find noise level of class?1) 10dB 2) 100dB 3) 12dB 4) 120dB

Answers

Answered by mahi20063

Answer:

4) 120 db

Explanation:

10 dB represents a tenfold increase in intensity.So, in case of 10 students, the noise level will be (100+10) dB and when the students are 100, the noise level will be 100+10+10 i.e 120 dB.

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23. In a class of 100 students each shouting at100 dB. Find noise level of class?1) 10dB 2) 100dB 3) 12dB 4) 120dB​

Answers

23. In a class of 100 students each shouting at100 dB. Find noise level of class?1) 10dB 2) 100dB 3) 12dB 4) 120dB