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An optic fiber is made of clear plastic with index of refraction of 1.50. for what angle of incidence will light remain within the plastic "guide"?

Respuesta :

pkmnmushy
Well what you need to do in order to know that is doing the following procedure:
 n sin (theta) = 1 where n = 1.5 
theta = arcsin(1/n) = 41.8.
so the angle will be 41.8 degrees