Class 7 Science App Download – Sound Waves Quiz e-Book PDF

Class 7 Science MCQs (Grade 7) From Textbook

Class 7 Science MCQs – Practice Test 31 (Chapter 23)

Sound Waves Quiz with Answers PDF Download – Test 31

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The Sound waves Quiz Questions and Answers PDF (Sound Waves Quiz PDF e-Book) download Ch. 23-31 to learn Class 7 Science Course. Solve Ultrasound MCQs PDF, Sound Waves Quiz Questions and Answers to learn e-learning courses. The Class 7 Science App Download – Free Sound Waves Quiz App to learn ultrasound, speed of sound, waves of energy, sound waves and echoes, musical instruments test prep for online schools.

The MCQ: Medical use of ultrasound is to detect; "Class 7 Science" App (iOS, Android) with answers: cancer cells, baby, infected parts of the body, and damaged organs to learn e-learning courses. Study Ultrasound MCQ Questions, download Google Book (Free Chapter) for elementary school graduation certificate.

Sound Waves Quiz – Practice Test 31 PDF Download

MCQ 151: The medical use of ultrasound is to detect:

  1. baby
  2. cancer cells
  3. infected parts of the body
  4. damaged organs

MCQ 152: The exact speed of sound depends upon:

  1. pressure
  2. temperature
  3. density
  4. mass

MCQ 153: The wave with compressions and rarefactions is known as:

  1. transverse waves
  2. longitudinal waves
  3. latitudinal waves
  4. horizontal waves

MCQ 154: Ships use echolocation to measure the:

  1. size of fish
  2. density of water
  3. depth of water
  4. area of ocean

MCQ 155: An example of 'percussion' is:

  1. flute
  2. piano
  3. drum
  4. saxophone

Sound Waves Quiz App & e-Book – Class 7 Science Study Material

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The App: Sound Waves Quiz App to learn Sound Waves Notes, 7th Grade Science Quiz App, and 6th Grade Science Quiz App. The "7th Grade Science Quiz" App – Free Sound Waves App Download (Android & iOS) to learn e-learning courses. Download App Store & Play Store study Apps with all functionalities for elementary school graduation certificate.

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