What is the liquid refractive index

Reference no: EM13689130

Here is the problem which I am struggling on, please help me!

Problem: In a certain time, light travels 3.5km Ina vacuum. During the same time, light travels only 2 5 km in a liquid. What is the liquid refractive index?

Please use great detail in explaining the solution. Thank you.

Reference no: EM13689130

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