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

Sound Quiz with Answers PDF – Test 23

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Download the "Sound Quiz" App (iOS & Android): SONAR ranging is also used to see the object's; MCQ with answers: size only, shape only, width, and shape and size. Learn Importance of Acoustics MCQ Questions, download Google Book (Free Chapter) to improve online educational outcomes.

Sound Quiz PDF Download – Test 23

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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