Echo Sound MCQs Quiz Online PDF Download

Learn echo sound MCQs, A level physics test for online learning courses, test prep to practice test. Medical imaging quiz has multiple choice questions (MCQ), echo sound quiz questions and answers, ultrasound in medicine, nature and production of x-rays, magnetic resonance imaging, echo sound tutorials for online physics projects courses distance learning.

GCE physics practice test MCQ: acoustic impedance of human skin is with choices 1.65 × 106 kg m² s-1, 1.71 × 106 kg m-2 s-1, 2 × 106 kg m-2 s-1 and 2 × 107 kg m-3 s-2 with online global exams' preparation for international tests like ACT practice test for good ACT scores. Free study guide is for online learning echo sound quiz with MCQs to practice test questions with answers.

MCQs on Echo Sound Quiz 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

B

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%

A

MCQ: Acoustic impedance is defined as

  1. ρ⁄c
  2. ρc
  3. c⁄ρ
  4. ρ+c

B

MCQ: Change in speed of ultrasound causes

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

C