Sound Waves MCQs Questions and Answers 24 PDF Download

Sound waves MCQs, sound waves quiz answers pdf, test prep 24 to study grade 7 science for online certificate courses. Practice "sound and vacuum" Multiple Choice Questions and Answers (MCQs), sound waves quiz questions and answers for online teaching certification programs. Learn speed of sound, musical instruments, frequency and pitch, sound waves and echoes test prep for online courses.

"In water the speed of sound is" Multiple Choice Questions (MCQs) on sound waves with choices 200 m/s, 100 m/s, 1500 m/s, and 2000 m/s for online teaching certification programs. Free science study guide for online learning sound and vacuum quiz questions for distance learning classes.

Sound Waves MCQs Quiz 24 PDF Download

MCQ: In water the speed of sound is

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


MCQ: An example of 'percussion' is

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


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

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


MCQ: 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: 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