Sound Waves Multiple Choice Questions and Answers 26 PDF Download

Sound waves multiple choice questions, learn grade 7 science online test prep 26 for elementary school online courses, distance learning for exam prep. Practice sound waves and echoes multiple choice questions (MCQs), sound waves quiz questions and answers for science class for 7th grade science exam.

Study elementary school science multiple choice questions (MCQs): 'dolphins' can capture their prey using, for free online courses with choices infrasound, echo, eye sight, and ears and sensors, sound waves and echoes quiz with online schools' course questions and answers for summative assessment of students. Free science study guide for online learning sound waves and echoes quiz questions to attempt multiple choice questions based test.

MCQs on Sound Waves Worksheets 26 Quiz PDF Download

MCQ: 'Dolphins' can capture their prey using

  1. echo
  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 which 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. space

C

MCQ: A 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