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Davies Physics SPI Questions correct well detailed answers top rated and updated
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this interface? A) Refraction B) Reflection C) Absorption D) Scattering E) All the above: E) All the above A) Refraction B) Reflection C) Absorption D) Scattering
B) Scattering C) Divergence D) Absorption E) Refraction: D) Absorption
A) Duty factor B) Spatial pulse length C) Wavelength D) Pulse repetition frequency E) Pulse duration: C) Wavelength
D) Decibels E) Potential energy: A) Heat
parameter stays constant as the beam propagates through the tissue? A) Frequency B) Intensity C) Amplitude D) Wavelength E) None of these: E) None of these
describes the reflected echo signals after they have traversed the tissue? A) The echo signals will be shifted down in frequency due to the increased attenuation of higher frequencies B) The echo signals will be reduced intensity but will have the same frequency content as the transmitted beam C) The echo signals will be shifted upward in frequency due to increased absorption of the lower frequencies D) Only the center frequency component of the bandwidth will be reflected back to the Tx E) The echo signal frequency content will be identical to that of the transmitted beam: A) The echo signals will be shifted down in frequency due to the increased attenuation of higher frequencies
D) Lateral misregistration of the cyst due to a multipath artifact E) Diffraction of the sound beam resulting in a weakened signal at the lateral borders of the cyst: B) Bending of the sound beam due to different media propa- gation speeds