Class 10 Physics MCQs - Chapter 9

Sound Quiz Questions & Answers PDF Download - 23

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

The Quiz MCQ: Multiple reflections are called; "Sound" App (iOS & Android) with answers: Refraction; Reverberations; Echo; Compressions; for high school certification courses. Study Importance of Acoustics MCQ Questions, download Amazon eBook (Free Sample) for free online courses.

Sound Exam Questions and Answers 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

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