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Class 7 Science Exam MCQs – Practice Test 20 (Chapter 23)

Sound Waves Notes Questions with Answers PDF Download – Test 20

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Learn Sound waves Notes Questions and Answers PDF for science classroom learning systems. Download the Sound Waves Quiz Answers PDF e-Book, Ch. 23-20 to study Class 7 Science Course. Practice Musical Instruments MCQ PDF, Sound Waves Quiz Questions and Answers for science classroom learning systems. Free Sound Waves Notes App Download: Class 7 Science Study App to musical instruments, musics and musical sound, ultrasound, speed of sound test prep for science remote learning systems.

Download "Sound Waves Notes" App: All musical instruments make; MCQ with answers: rhythm, notes, beat, and vibration. Practice Musical Instruments MCQ Questions, download Kobo e-Book (Free Chapter) to achieve top grades.

Sound Waves MCQs – Practice Test 20 PDF Download

MCQ 96: All musical instruments make:

  1. notes
  2. rhythm
  3. beat
  4. vibration

MCQ 97: The pitch of every note is a certain:

  1. wavelength
  2. amplitude
  3. frequency
  4. phase

MCQ 98: "Ultrasound" can:

  1. break up kidney stones
  2. destroy the kidney stones
  3. stimulate the growth of kidney stones
  4. clot blood in the kidneys

MCQ 99: The denser the solid, the:

  1. more the speed of sound
  2. less the speed of sound
  3. more clear the sound
  4. less clear the sound

MCQ 100: The speed of sound in wood is:

  1. 2000 m/s
  2. 3000 m/s
  3. 4000 m/s
  4. 5000 m/s

Sound Waves Exam Prep – Class 7 Science Notes App & e-Book

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