What is the frequency range of ultrasonic waves?

Ultrasound Technology Concepts

Interactive Video
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Physics
•
11th - 12th Grade
•
Hard

Patricia Brown
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10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Less than 20 Hz
More than 20 kHz
10 kHz to 20 kHz
20 Hz to 20 kHz
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which of the following was an early application of ultrasound technology?
Sound navigation and ranging
Medical imaging
Communication systems
Weather forecasting
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What does the attenuation of an ultrasound beam refer to?
Increase in frequency
Reduction in intensity
Change in direction
Increase in speed
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which factor does NOT affect the absorption of ultrasound?
Frequency of sound
Viscosity of the medium
Relaxation time
Color of the medium
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the primary result of ultrasound absorption in tissues?
Image formation
Sound amplification
Wave reflection
Tissue heating
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the main purpose of reflection in ultrasound technology?
To create an image
To reduce wave intensity
To increase wave speed
To change wave frequency
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What happens to an ultrasound beam when it encounters a smooth surface?
It is refracted
It is reflected
It is scattered
It is absorbed
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