Sound Waves Multiple Choice Questions and Answers 9 PDF Download

Sound waves multiple choice questions (MCQs), sound waves test prep 9 to learn online elementary school courses, distance learning for exam prep. Practice sound waves and noise multiple choice questions (MCQs), sound waves quiz questions and answers for science class for seventh grade science review worksheets.

Study elementary school science multiple choice questions (MCQs): measure of decibel starts from, for online elementary education degree with options 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 for online learning sound waves and noise quiz questions to attempt multiple choice questions based test.

MCQ on Sound Waves Worksheets 9 Quiz PDF Download

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