Grade 7 English MCQs

Sound Waves Multiple Choice Questions Test 24 Tests pdf Download

Practice science test 24 on sound waves MCQs, grade 7 speed of sound multiple choice questions and answers. Speed of sound revision test has science worksheets, 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 the speed of sound in water is for competitive exam prep. Free science study guide to learn speed of sound quiz to attempt multiple choice questions based test.

MCQs on Sound Waves: Worksheets 24 Quiz pdf Download

MCQ. Speed of sound in water 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. 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 denser
  2. the particles in liquid are closer
  3. the particles in liquids have less energy
  4. the particles in liquids collide less as compared to particles of air

B

MCQ. Echoes are useful for bats because bats can detect

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

C