Grade 7 English MCQs

Sound Waves Multiple Choice Questions Test 17 Tests pdf Download

Practice science test 17 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 hear everything from the other room, not hear anything, some sounds from the other room but not clearly and noises of traffic, aircrafts and machines of multiple choice questions (MCQ) with speed of sound quiz as if we press our ear by wall, we would for competitive exam prep. Free science study guide to learn speed of sound quiz to attempt multiple choice questions based test. Subscribe Video Channel

MCQs on Sound Waves Quiz pdf Download Worksheets 17

MCQ. If we press our ear by wall, we would

  1. not hear anything
  2. hear everything from the other room
  3. some sounds from the other room but not clearly
  4. noises of traffic, aircrafts and machines

B

MCQ. Shorter waves have

  1. lower energy
  2. higher energy
  3. same energy as longer waves
  4. lower frequency

B

MCQ. Musical sounds are organized into

  1. Notes
  2. Pitch
  3. Wave fronts
  4. Phases

A

MCQ. If frequency of a sound wave is 100 Hz, it will send

  1. 1 wave in 100 seconds
  2. 2 waves in 50 seconds
  3. 100 waves in one second
  4. 50 waves in two seconds

C

MCQ. As we turn older, our ear get

  1. less sensitive to low pitched sounds
  2. more sensitive to low pitched sound
  3. less sensitive to high pitched sound
  4. more sensitive to high pitched sound

C