A light ray entering an optical fiber surrounded by air is first refracted and then reflected as shown below. Show that if the fiber is made from crown glass, any incident ray will be totally internally reflected.
Literature 114AOrland Furioso Plot Summary Background on Orlando Furioso - Most popular book of the 16th century, a “blockbuster” of their time, filled with action, romance, and plot. It was often performed in the streets. - The final edition was published in 1532 - This popularity is made possible through the newly founded printing industry, which made the books accessible to many different classes of buyers. - It continues the unfinished epic of Orlando Innamorato, which was published in 1483 but was not continued due to the French invasion of Italy. Canto I • The narrator opens with a proem that cites the main subject matter of the poem: a war between Christianity lead by Emperor Charlemagne and Moorish forces. • Introduces Ruggiero, the founder of “the lineage you bear” meaning the Este family. • Introduces Orlando, who has been in love withAngelica, brings her back to the west where, in the foothills of the Pyrenees, rejoins Charlemagne’s army. • Orlando is made to duel his cousin Rinaldo withAngelica as the prize for the winner. • Angelica does not stay to watch who wins, rides away in during the commotion. • Angelica runs into Rinaldo (the son ofAymon, Lord of Montaubon), who has lost his horse, and flees before he can catch her. • Angelica runs into another knight without a horse, Ferrau, who is fishing for his lost helmet in the stream. Ferrau immediately falls into love with her beauty but must duel Rinaldo for her. Angelica does not stay to watch who wins and gallops off again. • The poem ironizes about chivalry and