Sound Waves and Noise MCQs Quiz Worksheet PDF Download

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MCQs on Sound Waves and Noise Quiz PDF Download

MCQ: Sound is measured by units that are called

  1. Hertz (Hz)
  2. Decibels (dB)
  3. Meters (m)
  4. Pascal (Pa)

B

MCQ: 20 dB has hundred times more energy than

  1. 10 dB
  2. 0 dB
  3. 5 dB
  4. 2 dB

B

MCQ: 'Eardrum' bursts at

  1. 40 dB
  2. 80 dB
  3. 160 dB
  4. 320 dB

C

MCQ: Level of sound of normal conversation is

  1. 10 dB
  2. 20 dB
  3. 50 dB
  4. 60 dB

D

MCQ: Loud noise can

  1. damage our ears
  2. make us ill
  3. disturb our sleep
  4. interrupt conversation

A