Chapter 9: Class 10 Physics Exam Tests
Class 10 Physics MCQs - Chapter 9
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The MCQ: If a doctor counts 80 heartbeats in 1 minute, then the frequency of heartbeats should be; "Sound" App Download (Free) with answers: 1.99 Hz; 1.33 Hz; 1.39 Hz; 2.33 Hz; to study distance learning courses. Solve Sound Waves in Physics MCQ Questions, download Google eBook (Free Sample) for online classes.
If a doctor counts 80 heartbeats in 1 minute, then the frequency of heartbeats should be
The intensity level of the faintest audible sound is
Stethoscopes operate on the transmission of
A safe level of noise depends on
Ultrasonic waves are very useful for detecting
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