Sound Multiple Choice Questions and Answers 4 PDF Book Download

Sound MCQs, sound quiz answers 4 to learn high school online courses. Sound and sound waves multiple choice questions (MCQs), sound quiz questions and answers for for online school degrees. Echo of sound, importance of acoustics, audible range of human ear, speed of sound test for high school teacher certification.

Learn high school physics multiple choice questions (MCQs): technique or method to absorb undesirable sounds by soft and porous surface is called, with choices unacoustic protection, acoustic protection, audible protection, and decibel protection for online school degrees. Free physics study guide for online learning sound and sound waves quiz questions to attempt multiple choice questions based test.

MCQ on Sound Worksheets 4 PDF Book Download

MCQ: To communicate with each other, Elephants use

  1. low frequency sound waves
  2. low frequency light waves
  3. high frequency sound waves
  4. low frequency heat waves

A

MCQ: Technique or method to absorb undesirable sounds by soft and porous surface is called

  1. acoustic protection
  2. unacoustic protection
  3. audible protection
  4. decibel protection

A

MCQ: A normal human ear can hear a sound only if its frequency lies between

  1. 30 Hz to 30,000 Hz
  2. 50 Hz to 50,000 Hz
  3. 20 Hz to 20,000 Hz
  4. 10 Hz to 10,000 Hz

C

MCQ: Speed of sound in air is

  1. 343ms-1
  2. 343ms-2
  3. 341ms-1
  4. 250ms-1

A

MCQ: Speed of sound can be found by relation

  1. v = cλ
  2. v = ma
  3. v = fλ
  4. f=1T

C