Importance of Acoustics MCQs Quiz and Answers Tests pdf Download

Practice importance of acoustics MCQs in physics quiz for test prep. Sound quiz questions has multiple choice questions (MCQ) with importance of acoustics test, answers as the technique or method to absorb undesirable sounds by soft and porous surface is called , answer key with choices as acoustic protection, unacoustic protection, audible protection and decibel protection for competitive exam preparation worksheets. Free physics revision notes to learn importance of acoustics quiz with MCQs to find questions answers based online tests.

MCQs on Importance of Acoustics Quiz pdf Download

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. When sound interacts with materials and boundaries, it displays all properties of

  1. heat
  2. waves
  3. light
  4. electricity

B

MCQ. Both bats and dolphins have ability to “see” using

  1. electric waves
  2. light waves
  3. heat waves
  4. sound waves

D

MCQ. Soft materials absorb large amount of

  1. heat energy
  2. light energy
  3. electromagnetic waves
  4. sound energy

D

MCQ. Echo of sound is more prominent if surface is

  1. soft
  2. rigid
  3. porous
  4. smooth

B