quiz6

# quiz6 - Exam Name_ MULTIPLE CHOICE. Choose the one...

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Exam Name___________________________________ MULTIPLE CHOICE. Choose the one alternative that best completes the statement or answers the question. 1) What is the speed of light in a material for which the critical angle with air is 61 degrees? A) 0.8c B) 0.9c C) c D) 1.1c E) 1.2c 1) 2) You are standing 2.3m horizontally from the edge of a 4.5m deep lake, with your eyes 1.7m above the water surface. A diver holding a flashlight at the lake bottom shines the light so you can see it. If the light in the water makes a 42 degree angle with the vertical, at which horizontal distance is the diver from the edge of the lake? A) 3m B) 5m C) 7m D) 9m E) 11m 2) 3) A light ray propagating through water (n=1.33) strikes a parallel slab of glass (n=1.62) with thickness d=6cm at an incident angle of 40 degrees. What's the angle the light ray makes in the water with the normal to the interface after it exits the glass slab?

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## This note was uploaded on 01/28/2009 for the course PHYS 2c taught by Professor Wurthmeir during the Fall '05 term at UCSD.

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quiz6 - Exam Name_ MULTIPLE CHOICE. Choose the one...

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