Home PYQs UPPSC UPPSC MCQs Prelims 2018 (GS Paper I)

Question

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

  1. 10 db
  2. 20 db
  3. 60 db
  4. 100 db

Answer:

Option B: 20 db

Detailed Solution:

The correct answer is “20 db”.

The rustling of tree leaves in normal circumstances produces a sound level of around 20 decibels.