Download Sound Waves Quiz App | Class 7 Science e-Book PDF
Class 7 Science Cerification Guide: Practice Test 19 (Chapter 23)
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The Quiz: Who discovered the 'Korotkoff' sounds; "Sound Waves" App (iOS, Android) with answers: dr.nikolai korotkoff, isaac newton, michael faraday, and thomas silva edison to learn homeschool online courses. Study All Around Sounds MCQ Questions, download Google Book (Free Sample) for online school and college.
Who discovered the 'Korotkoff' sounds?
The parts of sound waves where air pressure is lesser, is known as
The pleasant sound of music depends on its
The lowest level of frequency a human ear can detect, is
We can hear the voice of alarm clock when there is
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