Ultrasound Physics Edelman Chapter 6
Exam Questions And Answers
What happens when a signal is amplified? -
correct answer ✅It is strengthened
Attenuation is when -
correct answer ✅Sound waves weaken
Attenuation is measured in -
correct answer ✅Decibels (dB)
3dB means -
correct answer ✅Double
-3dB means -
correct answer ✅Half
10dB means -
correct answer ✅Ten times larger
-10dB means -
correct answer ✅One-tenth
, Ultrasound Physics Edelman Chapter 6
Exam Questions And Answers
3dB of attenuation means -
correct answer ✅Half
Decibels require _____ intensity (s) -
correct answer ✅Two
Attenuation is determined by TWO factors: -
correct answer ✅path length and frequency of sound
Distance and attenuation are ______ related. -
correct answer ✅Directly
Frequency and attenuation are _____ related. -
correct answer ✅Directly
More attenuation means -
correct answer ✅longer distances, higher frequencies
Less attenuation means -
correct answer ✅Shorter distances, lower frequencies
Exam Questions And Answers
What happens when a signal is amplified? -
correct answer ✅It is strengthened
Attenuation is when -
correct answer ✅Sound waves weaken
Attenuation is measured in -
correct answer ✅Decibels (dB)
3dB means -
correct answer ✅Double
-3dB means -
correct answer ✅Half
10dB means -
correct answer ✅Ten times larger
-10dB means -
correct answer ✅One-tenth
, Ultrasound Physics Edelman Chapter 6
Exam Questions And Answers
3dB of attenuation means -
correct answer ✅Half
Decibels require _____ intensity (s) -
correct answer ✅Two
Attenuation is determined by TWO factors: -
correct answer ✅path length and frequency of sound
Distance and attenuation are ______ related. -
correct answer ✅Directly
Frequency and attenuation are _____ related. -
correct answer ✅Directly
More attenuation means -
correct answer ✅longer distances, higher frequencies
Less attenuation means -
correct answer ✅Shorter distances, lower frequencies
