Sound Waves Multiple Choice Questions 9 PDF Download

Learn sound waves MCQs, grade 7 science test 9 for online learning courses and test prep, sound waves and noise multiple choice questions and answers. Sound waves and noise revision test includes science worksheets to learn for seventh grade science review worksheets.

Science multiple choice questions (MCQ): measure of decibel starts from with choices 20, 0, 20000 and 10, sound waves and noise quiz with classroom questions and answers for students with pdf download eBooks. Free science study guide to learn sound waves and noise quiz to attempt multiple choice questions based test.

MCQs on Sound Waves Quiz PDF Download Worksheets 9

MCQ: Measure of decibel starts from

  1. 0
  2. 20
  3. 20000
  4. 10


MCQ: Mixture of high and low sounds is called a

  1. rhythm
  2. bass effect
  3. beat effect
  4. wow effect


MCQ: Echoes are formed when sound

  1. strikes a wall and reflects back
  2. strikes a wall and is absorbed
  3. hits the eardrum repeatedly
  4. breaks


MCQ: Use of echo to measure distance is known as

  1. echo destination
  2. echolocation
  3. echo displacement
  4. echo dictation


MCQ: In a flute, length of air cutting through holes is changed by

  1. changing length
  2. changing valves
  3. fingers
  4. sealers