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Sound Multiple Choice Questions 23 PDF Download eBook

Practice Sound MCQ questions and answers PDF, sound quiz answers PDF worksheets to solve 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. Solve echo of sound quiz questions for school certificate programs for free online classes.

Sound MCQs Quiz 23 PDF Download eBook

MCQ: Multiple reflections are called

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


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

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


MCQ: The wavelength of ultrasonic waves is

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


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