Sound Waves in Physics MCQs Quiz Worksheet PDF Download

Learn sound waves in physics MCQs, physics test for online course learning and test prep to practice. Sound quiz questions has multiple choice questions (MCQ), sound waves in physics test to learn for online physics terms course test.

Physics practice test MCQ on 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 with options 5.7×10-2, 3.7×10-2, 1.7×10-2 and 2.7×10-2 problem solving skills for competitive exam, viva prep, interview questions with answer key. Free physics revision notes to learn sound waves in physics quiz with 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