Echo Sound MCQs Quiz Online PDF Download

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Study bachelors and masters in physics degree MCQs: acoustic impedance of human skin is, for online courses with choices 1.65 × 106 kg m² s-1, 1.71 × 106 kg m-2 s-1, 2 × 106 kg m-2 s-1, 2 × 107 kg m-3 s-2 with online global exams' preparation for international tests like ACT practice test for good ACT scores. Free skills assessment test is for online learn echo sound quiz questions with MCQs, exam preparation questions and answers.

MCQs on Echo SoundQuiz PDF Download

MCQ: Acoustic impedance of human skin is

  1. 1.65 × 106 kg m² s-1
  2. 1.71 × 106 kg m-2 s-1
  3. 2 × 106 kg m-2 s-1
  4. 2 × 107 kg m-3 s-2


MCQ: With gel between skin and transducer percentage of reflected intensity of ultrasonic is

  1. 0.03%
  2. 0.05%
  3. 0.06%
  4. 0.08%


MCQ: Acoustic impedance is defined as

  1. ρ⁄c
  2. ρc
  3. c⁄ρ
  4. ρ+c


MCQ: Change in speed of ultrasound causes

  1. reflection
  2. diffraction
  3. refraction
  4. image