Sound Multiple Choice Questions and Answers 17 PDF Book Download

Sound MCQs, sound quiz answers 17 to learn high school physics courses online. Echo of sound multiple choice questions (MCQs), sound quiz questions and answers for online school degrees. Sound waves in physics, characteristics of sound, noise pollution, ultrasound test for high school teacher certification.

Learn high school physics multiple choice questions (MCQs): intensity level of faintest audible sound is, with choices 0 db, 25 db, 10 db, and 100 db for online school degrees. Free physics study guide for online learning echo of sound quiz questions to attempt multiple choice questions based test.

MCQ on Sound Worksheets 17 PDF Book Download

MCQ: If a doctor counts 80 heartbeats in 1 minute, then frequency of heartbeats should be

  1. 1.33 Hz
  2. 1.99 Hz
  3. 1.39 Hz
  4. 2.33 Hz

A

MCQ: Intensity level of faintest audible sound is

  1. 25 dB
  2. 0 dB
  3. 10 dB
  4. 100 dB

B

MCQ: Stethoscopes operate on transmission of

  1. electricity
  2. signals
  3. light
  4. sound

D

MCQ: A safe level of noise depends on

  1. level of noise and exposure to noise
  2. area
  3. pitch
  4. frequency

A

MCQ: Ultrasonic waves are very useful for detecting

  1. large objects
  2. small objects
  3. gases
  4. none of the above

B