SPI FORMULAS EXAM QUESTIONS AND
ANSWERS
Power is proportional to -
correct answer ✅amplitude squared
Intensity is ___________________to power -
correct answer ✅directly related
Intensity is proportional to -
correct answer ✅amplitude squared2
Intensity (w/cm2) -
correct answer ✅power (w) divided by area
1MHz = -
correct answer ✅1.54 mm wavelength
2MHZ = -
correct answer ✅0.77mm wavelength
wavelength is equal to -
correct answer ✅1.54mm/microseconds divided by frequency
,SPI FORMULAS EXAM QUESTIONS AND
ANSWERS
Propagation speed is determined by -
correct answer ✅medium only
what characteristics of a medium affect the speed of sound -
correct answer ✅stiffness (elasticity)
density (intertia)
Stiffness is ___________________to propagation speed -
correct answer ✅directly related
Density and speed are _____ related. -
correct answer ✅inversely related
wavelength is______________________to frequency -
correct answer ✅inversely related
Pulse duration is determined by -
correct answer ✅sound source
, SPI FORMULAS EXAM QUESTIONS AND
ANSWERS
pulse duration is directly related to -
correct answer ✅the number of cycles in the pulse and directly
related to period
Pulse Duration (PD) -
correct answer ✅The actual time from start of a pulse to the end
of that pulse (not including the listening time)
Pulse duration is ____________________________to frequency -
correct answer ✅inversely related
Pulse duration is directly related to _____________and inversely
related to frequency -
correct answer ✅number of cycles divided by frequency
PRP is unrelated to -
correct answer ✅period; it is related only to depth of view.
PRP and depth of view -
correct answer ✅Directly related
ANSWERS
Power is proportional to -
correct answer ✅amplitude squared
Intensity is ___________________to power -
correct answer ✅directly related
Intensity is proportional to -
correct answer ✅amplitude squared2
Intensity (w/cm2) -
correct answer ✅power (w) divided by area
1MHz = -
correct answer ✅1.54 mm wavelength
2MHZ = -
correct answer ✅0.77mm wavelength
wavelength is equal to -
correct answer ✅1.54mm/microseconds divided by frequency
,SPI FORMULAS EXAM QUESTIONS AND
ANSWERS
Propagation speed is determined by -
correct answer ✅medium only
what characteristics of a medium affect the speed of sound -
correct answer ✅stiffness (elasticity)
density (intertia)
Stiffness is ___________________to propagation speed -
correct answer ✅directly related
Density and speed are _____ related. -
correct answer ✅inversely related
wavelength is______________________to frequency -
correct answer ✅inversely related
Pulse duration is determined by -
correct answer ✅sound source
, SPI FORMULAS EXAM QUESTIONS AND
ANSWERS
pulse duration is directly related to -
correct answer ✅the number of cycles in the pulse and directly
related to period
Pulse Duration (PD) -
correct answer ✅The actual time from start of a pulse to the end
of that pulse (not including the listening time)
Pulse duration is ____________________________to frequency -
correct answer ✅inversely related
Pulse duration is directly related to _____________and inversely
related to frequency -
correct answer ✅number of cycles divided by frequency
PRP is unrelated to -
correct answer ✅period; it is related only to depth of view.
PRP and depth of view -
correct answer ✅Directly related
