The Speed of Light Changes When It Goes from Ethyl

question 20

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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