ASVAB Question of the Week: March 1, 2017

Here is our ASVAB practice question for this week! The answer is posted in the comments below!

ASVAB Practice Question

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Answer!

Refraction is the change in direction of a wave (like light) as it passes through different mediums (air, water). The refractive index is a number that describes the speed of light in a specific medium compared to the speed of light in a vacuum.

For example, the refractive index of water is 1.333, which means that light travels 1.3 times faster in a vacuum than it does in water.

The answer is B).