Sound Waves MCQs App | Class 7 Science MCQs e-Book PDF

Class 7 Science MCQs (Grade 7) From Textbook

Class 7 Science MCQs – Practice Test 17 (Chapter 23)

Sound Waves MCQs with Answers PDF Download – Test 17

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Learn Sound waves Multiple Choice Questions (MCQs) with Answers PDF (Sound Waves MCQs PDF e-Book) download Ch. 23-17 to study Class 7 Science Course. Learn Sound Waves Quiz Questions and Answers for science educational achievement goals. Study Sound Waves MCQs App Download: Free Class 7 Science MCQs App to speed of sound, frequency and pitch, musics and musical sound test prep for science skill learning platforms.

Free "Sound Waves MCQs" App Download with MCQ: If we put our ear by the wall, we will; with answers: hear everything from other side, not hear anything, some sounds from other side but not clearly, and noise of traffic, aircrafts and machines for science educational achievement goals. Solve Speed of Sound MCQ Questions, download Google e-Book (Free Chapter) to learn environmental science.

Sound Waves MCQs – Practice Test 17 PDF Download

MCQ 81: If we put our ear by the wall, we will:

  1. not hear anything
  2. hear everything from other side
  3. some sounds from other side but not clearly
  4. noise of traffic, aircrafts and machines

MCQ 82: Short waves have:

  1. low energy
  2. high energy
  3. same energy as long waves
  4. low frequency

MCQ 83: Musical sounds are organized into:

  1. notes
  2. pitch
  3. wave fronts
  4. phases

MCQ 84: If frequency of sound wave is 100 Hz, it will send:

  1. 1 wave in 100 seconds
  2. 2 waves in 50 seconds
  3. 100 waves in one second
  4. 50 waves in two seconds

MCQ 85: As we turn older, our ears get:

  1. less sensitive to low pitched sound
  2. more sensitive to low pitched sound
  3. less sensitive to high pitched sound
  4. more sensitive to high pitched sound

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