Question
____ is the bending of light as it passes from one medium to another.
Answer
Refraction is the bending of light as it passes from one medium to another.
The speed of light changes depending on index of refraction of the medium. This speed change causes refraction
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____ are physical quantities that have both magnitude and direction .
Vectors are physical quantities that have ____ .
____ are quantities that have only a magnitude .
Scalars are quantities that have ____.
For vector addition , use the ____.
For vector ____, use the tip-to-tail method, or you can break the vector into its component parts and use the Pythagorean Theorem.