Noise-Noise Exposure Levels and Standards (CBSE-NET (UGC) Environmental Science (Paper-II & Paper-III)): Questions 1 - 1 of 1

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Question number: 1

» Noise » Noise Exposure Levels and Standards

Appeared in Year: 2011

MCQ▾

Question

The sound power from a voice shouting is 0.001 Watt. The sound level in dB is – (December)

Choices

Choice (4) Response

a.

120 dB

b.

90 dB

c.

30 dB

d.

60 dB

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