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INFORMATION TECHNOLOGY TOOLS AND NETWORK BASIS
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NIELIT
O Level Exam
Noise or noise pollution is measured in
Noise or noise pollution is measured in
A.
phon
B.
deci
C.
decibel
D.
decimal
Correct Answer is :
C. decibel
Explanation
Noise or noise pollution is measured in decibel. The decibel ( dB) is an unit which is used to measure sound level, but it is also widely used in electronics, signals and communication.
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