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Echo Sound MCQ with Answers

Echo Sound Multiple Choice Questions (MCQ) to solve echo sound quiz answers PDF worksheet, A level physics test for online courses. Practice medical imaging Multiple Choice Questions and Answers (MCQs), "Echo Sound" quiz questions and answers for best accredited online colleges. Learn nature and production of x-rays, magnetic resonance imaging, x-ray attenuation test prep for best accredited online colleges.

"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. Solve echo sound quiz questions for merit scholarship test and certificate programs for colleges offering online degree programs.

MCQs on Echo Sound

1.

Acoustic impedance of human skin is

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

2.

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

0.03%
0.05%
0.06%
0.08%

3.

Acoustic impedance is defined as

ρ⁄c
ρc
c⁄ρ
ρ+c

4.

Change in speed of ultrasound causes

reflection
diffraction
refraction
image