Multiple choice

Which of the following sounds do(es) not result in noise pollution?

  1. Horns of buses and trucks

  2. Sound produced by a running genset

  3. Sound produced by the vibrating string of a sitar

  4. Sound of students speaking together in a classroom
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

The sound produced by the vibrating string of a sitar gives out a musical sound. Thus, it does not produce noise pollution.

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