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Sound Worksheet with Answers PDF Download eBook

Solve Sound worksheet with answers PDF, sound trivia worksheets with answers key to practice grade 10 10th grade physics worksheet 4 for online learning. Practice Sound and Sound Waves MCQs, sound quiz questions and answers for online education. Learn echo of sound, importance of acoustics, audible range of human ear, speed of sound test prep for free online courses.

"To communicate with each other, Elephants use" Multiple Choice Questions (MCQ) on sound with choices low frequency light waves, low frequency sound waves, high frequency sound waves, and low frequency heat waves for online education. Solve sound and sound waves quiz questions for school certificate programs for online degrees.

Sound MCQs Quiz 4 PDF Download eBook

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: The 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: The speed of sound in air is

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

A

MCQ: The speed of sound can be found by relation

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

C