Sound Waves Learning App | Class 7 Science Notes e-Book PDF
Class 7 Science MCQs (Grade 7) From Textbook

Class 7 Science MCQs – Practice Test 24 (Chapter 23)

Sound Waves Notes Questions with Answers PDF Download – Test 24

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Study Sound waves Notes Questions and Answers PDF for middle school remote science. Download the Sound Waves Quiz Answers PDF e-Book, Ch. 23-24 to study Class 7 Science Course. Practice Speed of Sound MCQ PDF, Sound Waves Quiz Questions and Answers for middle school remote science. Download the Sound Waves Learning App: Free Class 7 Science Notes App to speed of sound, musical instruments, frequency and pitch, sound waves and echoes test prep for science web learning systems.

Free Sound Waves Learning App Download: "In water the speed of sound is"; MCQ with answers: 200 m/s, 100 m/s, 1500 m/s, and 2000 m/s. Practice Speed of Sound MCQ Questions, download Kobo e-Book (Free Chapter) to enhance study performance online.

Sound Waves MCQs – Practice Test 24 PDF Download

MCQ 116: In water the speed of sound is:

  1. 100 m/s
  2. 200 m/s
  3. 1500 m/s
  4. 2000 m/s

MCQ 117: An example of 'percussion' is:

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

MCQ 118: The number of sound waves sent per second is known as:

  1. wave front
  2. wavelength
  3. frequency
  4. amplitude

MCQ 119: Sound travels faster in liquids than air because:

  1. liquid is more dense
  2. the particles in liquid are close
  3. the particles in liquids have less energy
  4. the particles in liquids collide less as compare to particles in air

MCQ 120: Echoes are useful for bats because through it bats can detect:

  1. size of the object
  2. position of the object
  3. size and position both
  4. state of the object

Sound Waves Notes App & e-Book – Class 7 Science Admission Tests

Atoms Molecules and Ions MCQs
Particle Model of Matter MCQs
Reproduction in Plants MCQs
Transportation in Plants MCQs
Simple Chemical Reactions MCQs
Solar System MCQs
Respiration and Food Energy MCQs
Dispersion of Light MCQs

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