Sound Waves Multiple Choice Questions 24 PDF Download

Learn sound waves MCQs, grade 7 online science test 24, speed of sound multiple choice questions and answers. Speed of sound revision test has science worksheets, helping answer key with choices as 200 m/s, 100 m/s, 1500 m/s and 2000 m/s of multiple choice questions (MCQ) with speed of sound quiz as in water speed of sound is for competitive exam prep, viva interview questions. Free science study guide to practice speed of sound quiz to attempt multiple choice questions based test.

MCQs on Sound Waves Quiz PDF Download Worksheets 24

MCQ. In water the speed of sound is

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

C

MCQ. An example of 'percussion' is

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

A

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

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

C

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

B

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

C