Class 10 Physics MCQs – Practice Test 23 (Chapter 9)

Sound Quiz with Answers PDF Download – Test 23

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The Sound Quiz Questions and Answers PDF (Sound Quiz PDF e-Book) download Ch. 9-23 to learn Class 10 Physics Course. Solve Importance of Acoustics MCQs PDF, Sound Quiz Questions and Answers for high school certification courses. The Class 10 Physics App Download – Free Sound Quiz App to learn importance of acoustics, ultrasound test prep for online classes.

The MCQ: Multiple reflections are called; "Class 10 Physics" App (iOS, Android) with answers: refraction, reverberations, echo, and compressions for high school certification courses. Study Importance of Acoustics MCQ Questions, download Google Book (Free Chapter) for free online courses.

Sound Quiz – Practice Test 23 PDF Download

MCQ 111: Multiple reflections are called:

reverberations
refraction
echo
compressions

MCQ 112: SONAR ranging is also used to see the object's:

shape only
size only
width
shape and size

MCQ 113: The wavelength of ultrasonic waves is:

very small
very large
zero
negative

MCQ 114: The frequency range for ultrasound is:

20,000 Hz above
less than 20,000 Hz
25,000 Hz
less than 20Hz

Sound Quiz App & e-Book – Class 10 Physics Study Material

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