Sound Multiple Choice Questions and Answers 23 PDF Download
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Physics multiple choice questions (MCQ): multiple reflections are called with options refraction, reverberations, echo and compressions, importance of acoustics quiz with classroom questions and answers for students with pdf download eBooks. Free physics study guide to learn importance of acoustics quiz to attempt multiple choice questions based test.
MCQs on Sound Quiz PDF Download Worksheets 23
MCQ: Multiple reflections are called
MCQ: SONAR ranging is also used to see object's
- both size and shape
- none of the above
MCQ: Wavelength of ultrasonic waves is
- very small
- very large
MCQ: Frequency range for ultrasound is
- 20,000 Hz above
- less than 20,000 Hz
- 25,000 Hz
- less than 20Hz