Physics301L - MAPUA INSTITUTE OF TECHNOLOGY Department of...

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Unformatted text preview: MAPUA INSTITUTE OF TECHNOLOGY Department of Physics E301: Thermal Expansion XXXXXXXXXXXXX 2005XXXXXX XXXX, Group 1 PHY130L-XX XXXXXXX SAMPLE COMPUTATIONS Given (Trial 2 Copper Tube): Solution: ( 29 ( 29 ( 29 ( 29 ( 29 ( 29 % 54 . 30 % % 100 10 8 . 16 10 93 . 21 10 8 . 16 % % 100 % 10 93 . 21 57 704 88 . 10 8 . 16 57 704 88 . 1 6 1 6 1 6 1 6 exp exp exp 1 6 =- =- = = = = = = = = = ---------- error error error erimental erimental erimental actual x C x C x C x x AV EV AV C x C mm mm T L L T L L C x C T mm L mm L GUIDE QUESTIONS 1. In the performance of the experiment, cite the possible sources of error and its effect in the computed values. What are the recommendations then to minimize such error? The possible sources of error in this experiment are the following: Measurement of the aluminum and copper tube using the meter stick since the measurements must be exact to the nearest millimeter. Temperatures of the copper and aluminum tubes to attain thermal equilibrium with the atmosphere in this case inside the room. Correct reading or the exact measurement of the temperature of the current tube with the limit of its expansion as noted in the procedure at number 8. 2. Would the result be different if the condensed water was not drained from the expansion tube? Why? Yes, since were dealing with temperature and its effects to an object by expansion and contraction, it will affect the outcome since the water and the tube will constantly change to attain thermal equilibrium and since it takes a large amount of energy to change the temperature of water the effect of thermal equilibrium can happen for a very long time thus constantly changes the temperature of the tube. 3. From the result of the experiment, computer for the coefficient of expansion for area and volume of the metals....
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Physics301L - MAPUA INSTITUTE OF TECHNOLOGY Department of...

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