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Author Archives: Anonymous

Which of the following is associated with a broader bandwidt…

Which of the following is associated with a broader bandwidth?

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For pulsed wave transducers two characteristics of the activ…

For pulsed wave transducers two characteristics of the active element combine to determine the frequency of sound are:  (multiple answers)

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The matching layer

The matching layer

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A sound wave with an intensity of 50 W/cm2 strikes a boundar…

A sound wave with an intensity of 50 W/cm2 strikes a boundary and is totally refelcted. What is the intensity reflection coefficient?

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When researching the biological effects of diagnostic ultras…

When researching the biological effects of diagnostic ultrasound, which intensity is most commonly used? 

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What is the equation for acoustic impedance?

What is the equation for acoustic impedance?

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Overall compensation gain is set at 36dB.  If the gain is re…

Overall compensation gain is set at 36dB.  If the gain is reduced by one half, what will the new gain be?

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Weakening of a sound wave as it travels through a medium def…

Weakening of a sound wave as it travels through a medium defines:

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Exceeding the Curie Point of a transducer element will resul…

Exceeding the Curie Point of a transducer element will result in:

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A sound wave strikes a boundary with normal incidence.  The…

A sound wave strikes a boundary with normal incidence.  The impedances of the two media are identical.  What percentage of the sound wave is refracted?

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