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Test 2 - Sp2007 - Converging Lens Relay Lens Telescope Rays...

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Converging Lens 15 Name ____________________ Relay Lens 15 (Please Print) Telescope Rays 20 Ball Lens 15 Weierstrass Lens 20 Brewster Incidence 15 E C E 4500 Second Hour Examination April 4, 2007 Rules for exam: 1. The time allowed is 60 minutes. The test will start at 9:00am. 2. Answer all questions. The value of each question is given in parentheses by the question. There are a total of 100 points possible. 3. All work must be shown for full credit. 4. Put your final answers in the locations specified. 5. You may use six new single-sided 8 1/2" x 11" information sheets that you have prepared in your own handwriting. Your information sheets may not include photocopied material or typed material. You may also use the six single-sided information sheets that you prepared for the first examination. 6. Some physical constants are given below. 7. You may use one "book of math tables" or calculus textbook. 8. You may use a "pocket calculator" that can be put in a normal-size pocket and requires no external electrical power. Graphing calculators and programmable calculators are acceptable. You may not use portable, hand-held, lap-top, or notebook computers or wireless or network connections. 9. You may not use any reference materials other than those listed above. Therefore, you may not use the class notes, any textbooks, homework problems, reprints of papers, journals, prayer books, etc. 10. There is to be no sharing of anything. 11. If excess information is given in a question, ignore the unneeded information. 12. If too little information is given in a question, assume the information needed and clearly note this with your work. 13. Any changes to the examination will be written on the board. Check the board periodically during the examination. 14. Any acts of dishonesty will be referred to the Dean of Students without prior discussion. The official written Institute procedures on academic honesty (entitled "Maintaining Academic Honesty" and available from the Dean of Students Office) will be followed in all cases. 15. Have a happy exam! h = 6.6260755 × 10 -34 joule-sec c = 2.99792458 × 10 8 meter / sec e = 1.6021773349 × 10 -19 coul k = 1.38065812 × 10 -23 joule / K
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Imaging By a Converging Lens A converging lens is also referred to as a positive lens since it has a positive focal length according to the standard convention. A particular converging lens has a focal length f in air. The principal planes of this lens coincide and so the location of the lens can be specified by a single principal plane. The lens is depicted in the figure below by the single vertical line. Distances of one focal length and two focal lengths to the left and to the right of the lens are shown in the diagram. The space to the left of the lens is divided into regions A, B, and C as shown in the figure. The space to the right of the lens is divided into regions D, E, and F. Regions A and F extend to minus infinity and plus infinity respectively.
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