1 The refractive index of a transparent material can be determined by measuring the critical angle when the solid is in air.  The cladding of an optical fibre has a refractive index equal to 1.45 and a core refractive index equal to 1.48. Calculate the critical angle of the fibre.
The star of âRidiculousnessâ and âRob Dyrdekâs Fantasy Factoryâ has married his sweetheart Bryiana Noelle Flores. Congratulations are in order for Rob Dyrdek, 41. The pro skateboarder and TV personality tied the knot with fiancee Bryiana Noelle Flores on Sept. 19.
Giada De Laurentiis, 45, 'is dating TV producer Shane Farley who she made out with in Las Vegas'... but he's not yet divorced. Giada De Laurentiis finalized her divorced her husband of 11 years, Todd Thompson, in September. And already the 45-year-old chef is dating again. According to a Thursday report from UsWeekly, the beauty is seeing TV producer Shane Farley, sources confirm to Us Weekly.