EDELMAN UNDERSTANDING ULTRASOUND PHYSICS EXAM QUESTIONS
WITH 100% VERIFIED ANSWERS (LATEST 2026/2027 UPDATE) |
GRADED A+ | 100% PASS.
Is cholesterol level and longevity
a. inversely related
b. directly related
c. unrelated - correct-answer-a. inversely related. cholesterol increases, lifespan
decreases.
Is smoking and the likelihood of cardiovascular disease
a. inversely related
b. directly related
c. unrelated - correct-answer-b. directly related
Using a particular ultrasound system and transducer, which of the following
cannot be changed by the operator?
A. Wavelength
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B. Frequency
C. Intensity
D. Propagation Speed
E. Period
F. Power
G. Amplitude (initial) - correct-answer-The following can or cannot be changed:
A. cannot
B. cannot
C. can
D. cannot
E. cannot
F. can
G. can
True or false. if the amplitude of a wave is increased to 3 times the original value,
the intensity is increased by 6 times. - correct-answer-False. intensity is
proportional to amplitude squared.
Which of the following characteristics will create the fastest speed of sound.
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a. high density, high stiffness
b. low density, high stiffness
c. high density, low stiffness
d. low density, low stiffness - correct-answer-b. low density, high stiffness. speed
is inversely proportional to density and directly proportional to stiffness.
Which of the following characteristics will create the slowest speed of sound?
a. high density, high stiffness
b. low density, high stiffness
c. high density, low stiffness
d. low density, low stiffness - correct-answer-c. high density, low stiffness
A reduction in the intensity of a sound beam to 1/4 of its original value is? -
correct-answer--6 dB
-10 dB means that the intensity is reduced to ____ of its original value -
correctanswer-1/10
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dB is a mathematical representation with a ________ scale.
a. logarithmic and relative
b. division and relative
c. longitudinal and relative
d. logarithmic and absolute - correct-answer-a. logarithmic and relative