Sound Multiple Choice Questions 23 PDF Download eBook

Sound MCQ questions and answers, sound quiz answers PDF to practice grade 10 physics test 23 for online classes. Practice "Echo of Sound" Multiple Choice Questions and Answers (MCQs), sound quiz questions and answers for distance education. Learn importance of acoustics, ultrasound test prep for online certificate courses.

"Multiple reflections are called" Multiple Choice Questions (MCQ) on sound with choices refraction, reverberations, echo, and compressions for distance education. Free physics study guide for online learning echo of sound quiz questions for free online classes.

Sound MCQs Quiz 23 PDF Download eBook

MCQ: Multiple reflections are called

  1. reverberations
  2. refraction
  3. echo
  4. compressions

A

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

  1. shape only
  2. size only
  3. width
  4. shape and size

D

MCQ: The wavelength of ultrasonic waves is

  1. very small
  2. very large
  3. zero
  4. negative

A

MCQ: 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

A