251sp10sampletest3

251sp10sampletest3 - Phys 251 Test 3 Fall 2009 Please print...

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Unformatted text preview: Phys 251 Test 3 Fall 2009 Please print your name___________________________________________ This test contains four problems. You may choose to solve any three. Please indicate which three problems you would like us to grade. Question 1 /5 Question 2 /5 Problem __ /30 Problem __ /30 Problem __ /30 Total /100 Questions (5 points each) Please blacken the letter of the best answer for each question. Q1. An beam of blue light has a wavelength of 450 nm. If the beam passes from vacuum into water, which of the following is true? a) The frequency increases and the speed decreases b) The speed increases and the wavelength decreases c) The wavelength decreases and the frequency decreases d) The speed decreases and the wavelength decreases e) The wavelength increases and the speed decreases f) the wavelength increases and the frequency increases g) None of the above. Q2 An inductor of value L carries current I resulting in a stored electrical energy of U . If we wish to reduce the stored energy to...
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This note was uploaded on 04/15/2010 for the course PHYS 25100 taught by Professor Dr.andygavrin during the Spring '10 term at IUPUI.

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251sp10sampletest3 - Phys 251 Test 3 Fall 2009 Please print...

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