Abeam of light travels from a medium with an index of refraction of 1.27 to a medium with an index of refraction of 1.46. if the incoming beam makes an angle of 14.0° with the normal, at what angle from the normal will it refract?

12.15°

Explanation:

Using Snell's law as:

Where,  

 is the angle of incidence  ( 14.0° )

is the angle of refraction  ( ? )

is the refractive index of the refraction medium  (n=1.46)

is the refractive index of the incidence medium (n=1.27)

Hence,  

Angle of refraction = = 12.15°

0.19 m/s and 0.45 m/s

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