The Speed of Light Changes When It Goes from Ethyl

question 17

Multiple Choice

The speed of light changes when it goes from ethyl alcohol (n = 1.36) to carbon tetrachloride (n = 1.46) .The ratio of the speed in carbon tetrachloride to the speed in ethyl alcohol, v2/v1, is:

• A)1.99
• B)1.07
• C)0.932
• D)0.511
• E)0.760

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