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Echo Sound MCQs Quiz Online PDF Download eBook

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"Acoustic impedance of human skin is" Multiple Choice Questions (MCQ) on echo sound 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 for best accredited online colleges. Practice echo sound quiz questions for merit scholarship test and certificate programs for colleges offering online degree programs.

MCQs on Echo Sound PDF Download eBook

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