When an RF Signal Moves from One Medium to Another

question 21

Multiple Choice

When an RF signal moves from one medium to another of a different density the signal actually bends instead of traveling in a straight line.This is known as ____.

• A) reflection
• B) absorption
• C) refraction
• D) scattering

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Definitions:

Total Hip Replacement

A surgical procedure where a damaged hip joint is replaced with an artificial one.

Wedge Pillow

A sloped pillow designed to support the body, often used to alleviate symptoms of acid reflux, snoring, or other conditions requiring elevation.

Abduction

The movement of a limb or part away from the midline of the body, or the act of forcibly taking someone away against their will.

Bed Rest

A medical recommendation or treatment which involves prolonged periods of lying down, often used to promote healing or prevent worsening of a condition.