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The depth at which sound intensity is reduced by 50% is termed the?
How does doubling frequency affect the half value layer?
When the original output intensity of the ultrasound imaging system drips to ¼ of its original value, what decibel change does that represent?
A system’s power setting is 0 decibels and this represents 100% power output for the system. The operator reduces output by 50%. What decibel change has occurred?
If the output power of a system is 100%, and is dropped by 90%, what is the new power output?