(17%) Problem 2: You can determine the index of refraction of a substance by measuring its critical angle for total internal reflection. Randomized Variables Ocw =71.7' Boggs, Kylee - kb37423@georgiasouthern.edu @theexpertta.com - tracking id: 2G65-56-51-4A-B787-38206. In accordance with Expert TA's Terms of Service. copying this information to any solutions sharing website is strictly forbidden. Doing so may result in termination of your Expert TA Account. 50% Part (a) What is the index of refraction of a substance that has a critical angle of 71.7" when submerged in water (with index of refraction 1.333 my = 14