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Free Sound waves in physics Multiple Choice Questions (MCQ Quiz) with Answers PDF Download (Sound Waves in Physics MCQ PDF Book) to learn online 10th grade physics certificate courses. Solve Sound Multiple Choice Questions and Answers (MCQs), Sound Waves in Physics quiz answers PDF to study online certificate courses. Free learning App: Sound Waves in Physics MCQ App Download & e-Book for reflection (echo), characteristics of sound, physics: sound waves, sound and sound waves test prep for online education.

The 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; "Sound Waves in Physics" App Download (Free) with answers 5.7×10-2, 3.7×10-2, 1.7×10-2 and 2.7×10-2 to study online certificate courses. Solve sound quiz questions, download Google eBook (Free Sample) for free online classes.

Sound Waves in Physics MCQs: Questions and Answers

MCQ 1: 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

A) 5.7×10-2
B) 3.7×10-2
C) 1.7×10-2
D) 2.7×10-2

MCQ 2: In a market, the intensity level of sound recorded is 80 dB, the intensity level of sound should be

A) 10-4Wm-2
B) 10-6Wm-2
C) 10-8Wm-2
D) 10-5Wm-2

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

A) 0.05 Wm-2
B) 0.01 Wm-2
C) 0.08 Wm-2
D) 0.68 Wm-2

MCQ 4: If a doctor counts 80 heartbeats in 1 minute, then the frequency of heartbeats should be

A) 1.33 Hz
B) 1.99 Hz
C) 1.39 Hz
D) 2.33 Hz

MCQ 5: Stethoscopes operate on the transmission of

A) electricity
B) signals
C) light
D) sound

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