Using the indexes of refraction given in Table 22.1 and taking the speed of ligh

Question

Using the indexes of refraction given in Table 22.1 and taking the speed of light in free space as 3.0X108 m/s, find the speed of light in (a) air, (b) diamond, (c) crown glass, and (d) water.

air:

a) 3X108 m/s     b) 3.21X108 m/s     c) 4.91X108 m/s     d) 2.88X108 m/s

diamond:

a) 3X108 m/s     b) 2.93X108 m/s     c) 1.24X108 m/s     d) 1.11X108 m/s

crown glass:

a) 3X108 m/s     b) 2.35X108 m/s     c) 2.03X108 m/s     d) 1.97X108 m/s

water:

a) 3X108 m/s     b) 2.26X108 m/s     c) 1.83X108 m/s     d) 1.75X108 m/s

*Please show steps of how to solve the problem, A+ rating will be given, thanks!

Explanation / Answer

C = speed of light in vaccume = 3*10^8 m/s

Refractive index n = C/v = Speed of light in vaccum /speed of light in medium

(a)air

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