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Refraction, can occur with both normal and oblique incidence…

Refraction, can occur with both normal and oblique incidence.

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Attenuation refers to ________________

Attenuation refers to ________________

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The amount of reflection at an interface of two different me…

The amount of reflection at an interface of two different media is determined by ____

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Attenuation is determined by ___

Attenuation is determined by ___

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When the beam is reflected in multiple directions from very…

When the beam is reflected in multiple directions from very small particles, the reflection is probably ____

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The change of beam direction from medium 1 into medium 2 is…

The change of beam direction from medium 1 into medium 2 is called ________

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What type of reflection occurs from a boundary when the refl…

What type of reflection occurs from a boundary when the reflectors are much smaller than the wavelength?

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If pulse repetition frequency decreases, the pulse repetitio…

If pulse repetition frequency decreases, the pulse repetition period __________

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When attenuation is reported as an amount per cm of path len…

When attenuation is reported as an amount per cm of path length it is called ______-

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 Refraction is caused by ____

 Refraction is caused by ____

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