Sound Multiple Choice Questions 4 PDF Download

Learn sound MCQs, grade 10 physics test 4 for online courses learning and test prep, echo of sound multiple choice questions and answers. Echo of sound revision test includes physics worksheets to learn for physics grade 10 interactive tests.

Physics multiple choice questions (MCQ) on to communicate with each other, elephants use with options low frequency light waves, low frequency sound waves, high frequency sound waves and low frequency heat waves, echo of sound quiz for competitive exam prep, viva interview questions with answers key. Free physics study guide to learn echo of sound quiz to attempt multiple choice questions based test.

MCQs on Sound Quiz PDF Download Worksheets 4

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