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Sound Waves in Physics MCQs Quiz Online PDF Download eBook

Solve Sound waves in physics Multiple Choice Questions (MCQ), sound waves in physics quiz answers PDF worksheet, grade 10 physics practice test for online courses. Learn sound Multiple Choice Questions and Answers (MCQs), "Sound Waves in Physics" quiz questions and answers for free online courses. Learn characteristics of sound, sound wave and speed, speed of sound, sound waves in physics test prep for online education.

"Humans can hear sound up to the highest frequency of 20,000 Hz. If the wavelength of sound in air at this frequency at a temperature of 20° would be" Multiple Choice Questions (MCQ) on practice significant digits with choices 5.7×10-2, 3.7×10-2, 1.7×10-2, and 2.7×10-2 for free online courses. Practice sound quiz questions for online certificate programs for free online classes.

MCQs on Sound Waves in Physics PDF Download eBook

MCQ: Humans can hear sound up to the highest frequency of 20,000 Hz. If the wavelength of sound in air at this frequency at a 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, the intensity level of sound recorded is 80 dB, the 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. The 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 the 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 the transmission of

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

D