PHYS 202 Midterm: PHYS 202 TAMU s09 Exam 3 Solutions
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No work need be shown and no partial credit will be given. (5 pts) 1. 1o wji2, (e) 3. 2 x io w/m2 (f) none of the above answers (5 pts) 2. Light that is initially unpolarized and with initial intensity 1o passes through two polarizing filters, the angle between the polarizing axis of the first and second filter is 45 . What is the intensity of the light after it has passed through the second filter? (a) zero (b) 0. 711o (c) 0. 50i (e) jo (f) none of the above answers (5 pts) 3. A ray of light traveling in material a strikes the interface between materials. Which of tile following statements is correct? (a) tile light travels faster in material b than in rriaterial a. The light travels slower in material b than in material a. (c) the speed of the light is the same in both materials.
