Sound Waves and Noise Multiple Choice Questions Online pdf eBooks Download

Learn sound waves and noise MCQs in science quiz for test prep. Sound waves quiz questions has multiple choice questions (MCQ), sound waves and noise test as sound is measured by units that are called. Answer key help with choices as hertz (hz), decibels (db), meters (m) and pascal (pa) problem solving for competitive exam, viva prep, interview questions worksheets. Free science revision notes to practice sound waves and noise quiz with MCQs to find questions answers based online tests.

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