Sound Waves Multiple Choice Quiz Questions 9 pdf Download

Practice science quiz 9 on sound waves MCQs, grade 7 sound waves and noise multiple choice questions. Free sound waves and noise guide has science worksheet with answering options 20, 0, 20,000 and 10 of multiple choice questions (MCQ) with sound waves and noise quiz as measure of decibel starts from for exam prep. Study to learn sound waves and noise quiz to attempt multiple choice questions based test.

MCQs on Sound Waves - Quiz 9

MCQ. Measure of decibel starts from

  1. 0
  2. 20
  3. 20,000
  4. 10


MCQ. Mixture of long and short sounds adds 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 and keeps on hitting
  4. is too loud


MCQ. Use of echoes 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