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  9. Q43

UPPSC PCS 2018 · Question 43 of 142

Which of the following represents the decibel level of the rustling of tree leaves in normal circumstances?

Science & Tech

  1. A10 dB
  2. B20 dBCorrect
  3. C60 dB
  4. D100 dB

Answer: B. 20 dB

Explanation

Rustling leaves are about 20 dB.

Source: https://www.onlyiasexam.com/2021/10/2018-uppsc-pre-solved-question-papers.html

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