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Sound Waves in Physics MCQ with Answers PDF

Sound waves in physics Multiple Choice Questions (MCQ) to practice sound waves in physics quiz answers PDF to study online 10th grade physics course. Sound Multiple Choice Questions and Answers (MCQs), Sound Waves in Physics quiz questions PDF for free online courses. "Sound Waves in Physics Book" PDF: reflection (echo), characteristics of sound, physics: sound waves, sound and sound waves 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 sound waves in physics with choices 5.7×10-2, 3.7×10-2, 1.7×10-2, and 2.7×10-2 for free online courses. Study sound quiz questions for online certificate programs for free online classes.

MCQs on Sound Waves in Physics

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

5.7×10-2
3.7×10-2
1.7×10-2
2.7×10-2

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

10-4Wm-2
10-6Wm-2
10-8Wm-2
10-5Wm-2

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

0.05 Wm-2
0.01 Wm-2
0.08 Wm-2
0.68 Wm-2

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

1.33 Hz
1.99 Hz
1.39 Hz
2.33 Hz

MCQ: Stethoscopes operate on the transmission of

electricity
signals
light
sound