direction of wave doesn't change from medium 1 to medium 2

Ultrasound Physics Midterm Ch 1-7

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MNOELLB

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1/6 Questions

Impedance means?
- Acoustic resistance
- Power/ volume
- Backscatter

About This Quiz

When people think of ultrasounds, they typically picture an ultrasonic image of a foetus in the womb, but the physics and application of the concept stretches quite far beyond that. What are the physics behind the practice? Let’s find out.

2.

Refraction means
- Angle of incidence is 0 degree
- Direction of wave doesn't change from medium 1 to medium 2
- Transmission with a bend
Correct Answer

A. Transmission with a bend

Explanation

p 99
-Change of direction of wave propagation when traveling from one medium to another

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3.

Diffuse Reflection:
- Off - axis
- Backscatter
- Bull's eyes effect
Correct Answer

A. Backscatter

Explanation

p 80 wave reflects off an irregular surface
Backscatter

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4.

Which one means: Light wave strikes a mirror
- Specular Reflection
- Reflection
- Diffuse Reflection
Correct Answer

A. Specular Reflection

Explanation

p. 79

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5.

What is an example of rayleigh scattering?
- Backscatter
- Bull's eye
- Rayls
Correct Answer

A. Bull's eye

Explanation

p 81

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0
6.

What means the weaking of sound
- Impedance
- Refraction
- Attenuation
Correct Answer

A. Attenuation

Explanation

p 78

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Mar 21, 2023

Quiz Edited by
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Jun 08, 2011

Quiz Created by
MNOELLB

Ultrasound Physics Midterm Ch 1-7

Impedance means?

Quiz Preview

Refraction means

Diffuse Reflection:

Which one means: Light wave strikes a mirror

What is an example of rayleigh scattering?

What means the weaking of sound