Class 10 Courses

Chapter 9: Class 10 Physics Exam Tests

Class 10 Physics MCQs - Chapter 9

Sound Quiz Questions and Answers PDF - 23

The Sound Quiz Questions and Answers PDF, sound Quiz PDF Download e-Book 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: 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 Questions & Answers PDF Download: MCQ Quiz 23

MCQ 111:

Multiple reflections are called

  1. reverberations
  2. refraction
  3. echo
  4. compressions
MCQ 112:

SONAR ranging is also used to see the object's

  1. shape only
  2. size only
  3. width
  4. shape and size
MCQ 113:

The wavelength of ultrasonic waves is

  1. very small
  2. very large
  3. zero
  4. negative
MCQ 114:

The frequency range for ultrasound is

  1. 20,000 Hz above
  2. less than 20,000 Hz
  3. 25,000 Hz
  4. less than 20Hz

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Sound App (Android & iOS)

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10th Grade Physics App (Android & iOS)

10th Grade Physics App (iOS & Android)

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A Level Physics App (Android & iOS)

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College Physics App (iOS & Android)