Sound Multiple Choice Questions and Answers 12 PDF Book Download

Sound MCQs, sound quiz answers 12 to learn high school physics courses online. Physics sound waves multiple choice questions (MCQs), sound quiz questions and answers for online school degrees. Sound and sound waves, sound wave and speed, reflection (echo), noise pollution test for high school teacher certification.

Learn high school physics multiple choice questions (MCQs): speed of sound in air was first accurately measured in, with choices 1728, 1718, 1738, and 1708 for online school degrees. Free physics study guide for online learning physics sound waves quiz questions to attempt multiple choice questions based test.

MCQ on Sound Worksheets 12 PDF Book Download

MCQ: Barely audible sound is called

  1. 1 bel
  2. zero bel
  3. 4 bel
  4. 2 bel

B

MCQ: Speed of sound in air was first accurately measured in

  1. 1718
  2. 1728
  3. 1738
  4. 1708

C

MCQ: Reflection of sound is called

  1. quality
  2. loudness
  3. pitch
  4. echo

D

MCQ: Characteristic of sound by which we distinguish between shrill and grave sound is

  1. frequency
  2. loudness
  3. pitch
  4. quality

C

MCQ: Level of noise recommended in most countries is

  1. 30-40 dB
  2. 95-100 dB
  3. 85-90 dB
  4. 75-80 dB

C