Sound Waves and Noise MCQs Quiz Worksheet PDF Download

Learn sound waves and noise MCQs, science test for online learning courses and test prep to practice. Sound waves quiz questions has multiple choice questions (MCQ), sound waves and noise test to learn for 7th grade science assessment.

Science practice test MCQ: sound is measured by units that are called with options hertz (hz), decibels (db), meters (m) and pascal (pa) for online eCourse preparation with online teachers' jobs interview questions with answer key. Free science revision notes to learn sound waves and noise quiz with MCQs to find questions answers based online learning 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