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.
10 Things You Didn't Know About Lisa Vanderpump and Ken Todd's Relationship. Here's why the #RHOBH and #PumpRules couple gives us some serious relationship envy. Lisa Vanderpump's husband Ken Todd is almost as much a part of The Real Housewives of Beverly Hills as his wife. Not only is that due to the fact that the couple works together, running a bar and restaurant empire, but it's also because you don't get to more than 30 years of marriage without taking an interest in all aspects of your wife's life.