Sound Multiple Choice Questions and Answers 4 PDF Download

Learn sound multiple choice questions, grade 10 physics online test 4 for high school degree online courses, distance learning for exam prep. Practice echo of sound multiple choice questions (MCQs), sound quiz questions and answers for physics class for online general physics courses distance learning.

Study high school physics multiple choice questions (MCQs): to communicate with each other, elephants use , for free online courses with choices low frequency light waves, low frequency sound waves, high frequency sound waves, and low frequency heat waves, echo of sound quiz with online job interview questions and answers for formative assessment in competitive exams. Free physics study guide for online learning echo of sound quiz questions to attempt multiple choice questions based test.

MCQs on Sound Worksheets 4 Quiz PDF 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