Grade 7 English MCQs

Sound Waves Multiple Choice Questions Test 19 Tests pdf Download

Practice science test 19 on sound waves MCQs, grade 7 all around sounds multiple choice questions and answers. All around sounds revision test has science worksheets, answer key with choices as something moving, something colliding, strokes and friction of multiple choice questions (MCQ) with all around sounds quiz as sounds are caused by for competitive exam prep. Free science study guide to learn all around sounds quiz to attempt multiple choice questions based test.

MCQs on Sound Waves Quiz pdf Download Worksheets 19

MCQ. Sounds are caused by

  1. something colliding
  2. something moving
  3. strokes
  4. friction

B

MCQ. Parts of sound waves where air pressure is lesser, it is known as

  1. Compression
  2. Rarefaction
  3. Consolation
  4. Expansion

B

MCQ. Pleasing sound of music depends on its

  1. amplitude
  2. frequency
  3. wavelength
  4. volume

B

MCQ. Lowest level of frequency a human ear can detect is

  1. 2 Hz
  2. 20 Hz
  3. 20kHz
  4. 2kHz

B

MCQ. We can hear voice of alarm clock when there is

  1. vacuum in the jar
  2. air in the jar
  3. liquid in the jar
  4. solid in the jar

B