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

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

The MCQ: Sound is measured by units that are called; "Sound Waves and Noise" App Download (Free) with answers: hertz (hz), decibels (db), meters (m), and pascal (pa) to learn online classes courses. Solve Sound Waves Quiz Questions, download Apple eBook (Free Sample) for elementary school graduation certificate.

Sound Waves and Noise 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 Notes, 7th Grade Science MCQ App, and 6th Grade 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 Apps & 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)

6th Grade Science App (Android & iOS)

6th Grade Science App (Android & iOS)

8th Grade Science App (Android & iOS)

8th Grade Science App (iOS & Android)