Sound Multiple Choice Questions 23 PDF Download
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Physics multiple choice questions (MCQ) on multiple reflections are called with options refraction, reverberations, echo and compressions, importance of acoustics quiz for competitive exam prep, viva interview questions with answers key. 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