Sound Waves Multiple Choice Questions Test 26 Tests pdf Download

Practice science test 26 on sound waves MCQs, grade 7 sound waves and echoes multiple choice questions and answers. Sound waves and echoes revision test has science worksheets with answer key with choices as infrasound, echoes, eye sight and ears and sensors of multiple choice questions (MCQ) with sound waves and echoes quiz as dolphins can capture their prey by use of for competitive exam prep. Free science study guide to learn sound waves and echoes quiz to attempt multiple choice questions based test.

MCQs on Sound Waves: Worksheets 26 Quiz pdf Download

MCQ. Dolphins can capture their prey by use of

  1. echoes
  2. infrasound
  3. eye sight
  4. ears and sensors

A

MCQ. When sound travels, air molecules vibrate

  1. parallel to the sound direction
  2. perpendicular to the sound direction
  3. opposite to the sound direction
  4. in the direction of the sound

D

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

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

C

MCQ. Sound travels fastest in

  1. Gases
  2. Liquids
  3. Solids
  4. Plasma

C

MCQ. Hand bell stimulates the

  1. movement of air particles
  2. collision of air particles
  3. vibration of air particles
  4. energy of air particles

C