Sound Waves in Physics MCQs Quiz Worksheet PDF Download

Learn sound waves in physics MCQs, physics online test for high school exam prep for distance learning degree, free online courses. Practice sound multiple choice questions (MCQs), sound waves in physics quiz questions and answers for online physics terms courses distance learning.

Study high school courses, online physics degree programs MCQs: humans can hear sound up to highest frequency of 20,000 hz. if wavelength of sound in air at this frequency at temperature of 20° would be, for online courses with choices 5.7×10-2, 3.7×10-2, 1.7×10-2, and 2.7×10-2 for online certificate courses preparation with online teachers certification, competitive exams. Free physics student portal for online learning sound waves in physics quiz questions, MCQs to find questions answers based online learning tests.

MCQs on Sound Waves in Physics Quiz PDF Download

MCQ: Humans can hear sound up to highest frequency of 20,000 Hz. If wavelength of sound in air at this frequency at temperature of 20° would be

  1. 5.7×10-2
  2. 3.7×10-2
  3. 1.7×10-2
  4. 2.7×10-2

C

MCQ: In a market, intensity level of sound recorded is 80 dB, intensity level of sound should be

  1. 10-4Wm-2
  2. 10-6Wm-2
  3. 10-8Wm-2
  4. 10-5Wm-2

A

MCQ: If a normal conversation have sound intensities of 3×10-6Wm-2. intensity of sound for 100dB would be

  1. 0.05 Wm-2
  2. 0.01 Wm-2
  3. 0.08 Wm-2
  4. 0.68 Wm-2

B

MCQ: If a doctor counts 80 heartbeats in 1 minute, then frequency of heartbeats should be

  1. 1.33 Hz
  2. 1.99 Hz
  3. 1.39 Hz
  4. 2.33 Hz

A

MCQ: Stethoscopes operate on transmission of

  1. electricity
  2. signals
  3. light
  4. sound

D