Echo Sound MCQs Quiz Online PDF Download

Learn echo sound MCQs, A level physics test for online courses learning and test prep to practice. Medical imaging quiz has multiple choice questions (MCQ), echo sound quiz questions and answers to learn for ACT practice tests online for competitive exams.

GCE physics practice test MCQ on acoustic impedance of human skin is with options 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 problem solving skills for viva, competitive exam prep, interview questions with answer key. 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