Experimental Question - Experimental Competition Question...

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Experimental Competition / Question Page 1/12 35 th International Physics Olympiad Pohang, Korea 15 ~ 23 July 2004 Experimental Competition Monday, 19 July 2004 Please, first read the following instruction carefully: 1. The time available is 5 hours. 2. Use only the pen provided. 3. Use only the front side of the writing sheets . Write only inside the boxed area. 4. In addition to the blank writing sheets , there are Answer Forms where you must summarize the results you have obtained. 5. Write on the blank writing sheets the results of your measurements and whatever else you consider is required for the solution to the question. Please, use as little text as possible ; express yourself primarily in equations, numbers, figures, and plots. 6. In the boxes at the top of each sheet of paper write down your country code ( Country Code ) and student number ( Student Code ). In addition, on each blank writing sheets , write down the progressive number of each sheet ( Page Number ) and the total number of writing sheets used ( Total Number of Pages ). If you use some blank writing sheets for notes that you do not wish to be marked, put a large X across the entire sheet and do not include it in your numbering. 7. At the end of the experiment, arrange all sheets in the following order: Answer forms (top) used writing sheets in order the sheets you do not wish to be marked unused writing sheets the printed question (bottom) 8. It is not necessary to specify the error range of your values. However, their deviations from the actual values will determine your mark. 9. Place the papers inside the envelope and leave everything on your desk. You are not allowed to take any sheet of paper or any material used in the experiment out of the room.
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Experimental Competition / Question Page 2/12 Apparatus and materials 1. List of available apparatus and materials Name Quantity Name Quantity A Photogate timer 1 L Philips screw driver 1 B Photogate 1 M Weight with a string 1 C Connecting cable 1 N Electronic balance 1 D Mechanical “black box” (Black cylinder) 1 O Stand with a ruler 1 E Rotation stage 1 P U-shaped support 1 F Rubber pad 1 Q C-clamp 1 G Pulley 2 Ruler (0.50 m, 0.15 m) 1 each H Pin 2 Vernier calipers 1 I U-shaped plate 1 Scissors 1 J Screw 2 Thread 1 K Allen (hexagonal, L- shaped) wrench 1 Spares (string, thread, pin, screw, Allen wrench) B C A D E F G HI J K L M N O PQ G
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Experimental Competition / Question Page 3/12 2. Instruction for the Photogate Timer The Photogate consists of an infrared LED and a photodetector. By connecting the Photogate to the Photogate Timer, you can measure the time duration related to the blocking of the infrared light reaching the sensor. Be sure that the Photogate is connected to the Photogate Timer. Turn on the power by pushing the button labelled “POWER”.
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This note was uploaded on 11/08/2011 for the course PHYS 0000 taught by Professor Na during the Spring '11 term at Rensselaer Polytechnic Institute.

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Experimental Question - Experimental Competition Question...

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