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What is an undesired high level of sound called?(a) Air(b) Music(c) Noise(d) SpeakersThis question was posed to me in an internship interview.Question is taken from Environmental Issues in chapter Environmental Issues of Biology – Class 12

Answer»

The correct ANSWER is (c) Noise

To explain: An undesired UNPLEASANT LOUD or high level of sound that causes disturbance is called noise. It is measured in HERTZ (Hz) which is a derived unit of frequency and is defined as cycles PER second.



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