If the Index of Refraction of a Material Is 2,this

question 105

Multiple Choice

If the index of refraction of a material is 2,this means that light travels

• A)2 times as fast in air as it does in vacuum.
• B)2 times as fast in the material as it does in air.
• C)2 times as fast in vacuum as it does in the material.
• D)2 times as fast in the material than it does in vacuum.
• E)1/2 as fast in air as it does in the material.