Sound and Hearing Multiple Choice Questions 7 PDF Download

Learn sound and hearing MCQs, grade 8 science test 7 for learning online courses and test prep, pitch and loudness multiple choice questions and answers. Pitch and loudness revision test includes science worksheets to learn for grade 8 physical science tests.

Science multiple choice questions (MCQ) on sounds which are below 20hz frequencies are called with choices ultrasound, infrasound, mega sound and micro sound, pitch and loudness quiz for competitive exam prep, summative and formative assessment interview questions with answers key. Free science study guide to learn pitch and loudness quiz to attempt multiple choice questions based test.

MCQs on Sound and Hearing Quiz PDF Download Worksheets 7

MCQ. Sounds which are below 20Hz frequencies are called

  1. infrasound
  2. ultrasound
  3. mega sound
  4. micro sound

A

MCQ. A form of energy which is produced by vibrations and can be detected by ears is called

  1. sound
  2. waves
  3. heat
  4. electric current

A

MCQ. Loudness is measured by

  1. sound level meter
  2. spectrometer
  3. thermostat
  4. thermometer

A

MCQ. Sound travels at speed of 5960m/s in

  1. air
  2. water
  3. steel
  4. water

C

MCQ. Regions where molecules are compressed are called

  1. rarefactions
  2. compressions
  3. digressions
  4. progressions

B