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.
Texas Woman Lied About Home Invasion, Killed Her Husband: Police. A Texas woman found on Christmas Eve tied up inside her home along with her husband has been charged with his murder. Sandra Melgar, 52, of Houston, was charged with murdering her husband of 32 years, Jaime Melgar, in 2012. Police suspect that Melgar stabbed her husband with a knife, according to court documents.