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What is the minimum value of the duty factor?

What is the minimum value of the duty factor?

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The time from the beginning of a pulse until its end is ____…

The time from the beginning of a pulse until its end is _____?

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A pulse is emitted by a transducer and is traveling in soft…

A pulse is emitted by a transducer and is traveling in soft tissue. The go-return time, or time-of-flight, of a sound pulse is 130 microseconds. What is the reflector depth

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If the frequency of US is increased from 0.77 MHz to 1.54 MH…

If the frequency of US is increased from 0.77 MHz to 1.54 MHz, what happens to the wavelength?

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Impedance is the _____ of _____and_____.

Impedance is the _____ of _____and_____.

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The intensity transmission coefficient at the interface betw…

The intensity transmission coefficient at the interface between two structures equals 50/100. what is the intensity reflection coefficient?

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The duty factor for continuous wave ultrasound is:

The duty factor for continuous wave ultrasound is:

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For soft tissue, the approximate attenuation coefficient in…

For soft tissue, the approximate attenuation coefficient in dB/cm is equal to one-half _____ in _____.

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The speed of US in soft tissue is closest to:

The speed of US in soft tissue is closest to:

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The frequency closest to the lower limit of US is:

The frequency closest to the lower limit of US is:

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