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Sound Waves and Noise Multiple Choice Questions (MCQ) PDF Download

The Sound waves and noise Multiple Choice Questions (MCQ Quiz) with Answers PDF, Sound Waves and Noise MCQ PDF e-Book download to practice Grade 7 Science Tests. Study Sound Waves Multiple Choice Questions and Answers (MCQs), Sound Waves and Noise quiz answers PDF to learn online classes courses. The Sound Waves and Noise MCQ App: Free download learning app for sound absorption, all around sounds, speed of sound test prep for online education programs.

The MCQ: 20 dB has hundred times more energy than; "Sound Waves and Noise MCQs" App Download (Free) with answers: 10 dB; 0 dB; 5 dB; 2 dB; to learn online classes courses. Solve Sound Waves Quiz Questions, download Apple eBook (Free Sample) for elementary school graduation certificate.

Sound Waves and Noise MCQs: Questions and Answers PDF Download

MCQ 1:

Sound is measured by units that are called

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

20 dB has hundred times more energy than

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

'Eardrum' bursts at

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

The level of sound of normal conversation is

  1. 10 dB
  2. 20 dB
  3. 50 dB
  4. 60 dB
MCQ 5:

Loud noise can

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

Class 7 Science Practice Tests

Sound Waves and Noise Learning App: Free Download Android & iOS

The App: Sound Waves and Noise MCQs App to learn Sound Waves and Noise Multiple Choice Questions, 7th Grade Science MCQ App, and Earth Science MCQ App. The "Sound Waves and Noise MCQs" App to free download iOS & Android Apps includes complete analytics with interactive assessments. Download App Store & Play Store learning Applications & enjoy 100% functionality with subscriptions!

Sound Waves and Noise App (Android & iOS)

Sound Waves and Noise App (Android & iOS)

7th Grade Science App (Android & iOS)

7th Grade Science App (iOS & Android)

Earth Science App (Android & iOS)

Earth Science App (Android & iOS)

6th Grade Science App (Android & iOS)

6th Grade Science App (iOS & Android)