Refraction Of Light Video Lessons

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Problem: The speed of light in a vacuum is 3 0×108 m/s. The index of refraction of water is 1.33. What s the speed light in water? A) 2.3×10–8 m/s B) 3.0×10–8 m/s C) 2.3×108 m/s D) 3.0×108 m/s E) 3.9×108 m/s 

FREE Expert Solution

In this problem, we'll use the equation for refractive index. 

Refractive index is expressed as:

η=cv, where c is the speed of light in a vacuum and v is the speed of light in the medium. 

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Problem Details

The speed of light in a vacuum is 3 0×108 m/s. The index of refraction of water is 1.33. What s the speed light in water? 

A) 2.3×10–8 m/s 

B) 3.0×10–8 m/s 

C) 2.3×108 m/s 

D) 3.0×108 m/s 

E) 3.9×108 m/s 

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