Concept explainers
The refractive index n of a substance is a dimensionless measure of how much light bends (refracts) when passing from one medium to another.
where c is the speed of light in a vacuum (a constant) and v is the speed of light in the medium. For example, the refractive index of diamond is 2.42 which means that light travels 2.42 times as fast in a vacuum as it does in a diamond.
Snell's law is an equation that relates the indices of refraction of two different mediums to the angle of incidence
93. Assume that a beam of light travels from air into water.
a. If the incidence angle
b. Alina attempts to spear a lobster from her boat. If she aims her spear directly at the lobster, will she hit it? Explain your answer.
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COLLEGE ALG.+TRIG.-ALEKS ACCESS (6 WK.)
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