Sound Waves and Noise Questions and Answers PDF Book Download

Sound waves and noise multiple choice questions (MCQs), sound waves and noise quiz answers to learn elementary school science courses online. Sound waves MCQs, sound waves and noise quiz questions and answers for online elementary education degree. Volume and amplitude, sound absorption, all around sounds, sound waves and noise test prep for elementary school teaching certification.

Learn science MCQs: sound is measured by units that are called, with choices hertz (hz), decibels (db), meters (m), and pascal (pa) for online elementary education degree. Free science student portal for online learning sound waves and noise quiz questions, MCQs to find questions answers based online learning tests.

MCQ on Sound Waves and Noise PDF Book 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