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Unformatted text preview: Physics 2C, Waves ...Optics-- Winter 2007 Instructor: B. Grinstein Quiz # 5 INSTRUCTIONS: Fill, tear and return the bottom strip of the front page with your scantron. Keep the top portion of the front page and the rest of the quiz. Use a pencil #2 to ll your scantron. Write your code number and bubble it in under EXAM NUMBER. Bubble in the quiz form (see letter A-- D at bottom of page) in your scantron under TEST FORM 1) In the gure above, an architect is interested in estimating the heat loss (in kca sec) through a sheet of insulating material as a function of the thickness of the sheet. Assuming xed temperatures on the two faces of the sheet, which of the graphs best represents the heat transfer as a function of the thickness of the insulating sheet? A) A B) B C) C D) D E) E 2) A kitchen oven has a total wall area of 1.3 m 2 . It is insulated with a layer of berglass 5.0 cm thick. The temperature inside the oven is 175C and the temperature outside the oven is...
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- Winter '09