The speed of light in material a is 1. 25 times as large as it is in material b. What is the ratio of the refractive indices, na/nb, of these materials?.

When will division i requirements change? requirements change every four years requirements change every year august 2016 requirements change every other year

Which of the following best describes the difference between “autobiography” and “memoir”? a. autobiography is written about the author's own interpretation of events; memoir is a written interpretation of events. b. memoir covers a particular time in the writer’s life or recounts life events around one or two themes; autobiography covers the entire story of the author's life and has multiple themes. c. autobiography covers the entire story of the writer's life and has multiple themes; memoir is a shorter written work with one theme. d. autobiography covers entire story of the writer's life and has multiple themes; memoir is the writer’s random memories about past experiences.

If you are in grade when should you start studying for exams