Sound Waves Multiple Choice Questions and Answers 19 PDF Download

Sound waves multiple choice questions (MCQs), sound waves test prep 19 to learn online elementary school courses, distance learning for exam prep. Practice all around sounds multiple choice questions (MCQs), sound waves quiz questions and answers for science class for class 7 online science for students.

Study elementary school science multiple choice questions (MCQs): who discovered 'korotkoff' sounds?, for online elementary education degree with options dr.nikolai korotkoff, isaac newton, michael faraday, and thomas silva edison, all around sounds quiz with 7th grade science worksheets online for 7th grade school students and learners. Free science study guide for online learning all around sounds quiz questions to attempt multiple choice questions based test.

MCQ on Sound Waves Worksheets 19 Quiz PDF Download

MCQ: Who discovered 'Korotkoff' sounds?

  1. Isaac Newton
  2. Dr.Nikolai Korotkoff
  3. Michael Faraday
  4. Thomas Silva Edison


MCQ: Parts of sound waves where air pressure is lesser, is known as

  1. compression
  2. rarefaction
  3. consolation
  4. expansion


MCQ: Pleasant sound of music depends on its

  1. amplitude
  2. frequency
  3. wavelength
  4. volume


MCQ: Lowest level of frequency a human ear can detect, is

  1. 2 Hz
  2. 20 Hz
  3. 20kHz
  4. 2kHz


MCQ: We can hear voice of alarm clock when there is

  1. vacuum in the jar
  2. air in the jar
  3. liquid in the jar
  4. space in the jar