REPORT WRITING FOR EXPERIMENT MATERIALS IN PRACTICE CONTENT PAGE Title Page Synopsis 1 Introduction to the background information
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AIT Physics 1 Honors Laboratory: Specific Heat and Conservation of Energy When energy in the form of heat Q is added to a material‚ the temperature of the material rises. Note that temperature‚ in units of degrees Celsius (°C) or Kelvin (K)‚ is a measure of how hot or cold a substance is‚ while heat‚ in units of joules (J) or calories (cal)‚ is a measure of its thermal energy. 1cal = 4.19J. A measure of the efficiency with which a substance can store this heat energy is known as specific heat capacity
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We used two different pH probes with two different stock solutions for calibration to measure our three amino acids. If one of the stock solutions did not match the inputted pH‚ this could have resulted in inaccurate measurements. The vernier calipers also were not acting appropriately. Often times the computer stopped calculating pH and we had to reset it. This could also cause change in calibration. Another reason these values could have been incorrect is the increments we were adding our
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evaluate the effects incurred on hardness values‚ width‚ length and thicknesses. Hardness values/vickers numbers are determined for each material using a Vickers hardness tester and the measurements of width‚ length & thickness taken using a vernier caliper & micrometer. These values for each material are recorded pre-cold rolling from original and on each pass allowing the recorded results to be compared upon completion. On each pass a 3rd of a turn was applied to the rollers reducing the size of
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------------------------------------------------- Please read before you come for the next lesson Additional Notes on significant figures When we use an equipment to take measurement‚ it is important to be honest when reporting a measurement‚ so that it does not appear to be more accurate than the equipment used to make the measurement allows. To achieve this‚ we can control the number of significant figures used to report the measurement. When we look at a number‚ its first significant
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Capacitor Plates (1 pair) * Polythene spacers * Low voltage power supply * Voltmeter * Variable resistance * Light-beam galvanometer * CRO * Standard mass (eg. 100g ) * Connecting leads * Drawing board * Vernier calipers for measuring thickness of spacer [鍵入文件的引文或重點的摘要。您可以將文字方塊放在文件中的任何位置。使用 [文字方塊工具] 索引標籤以變更重要引述文字方塊的格式。] III. Theory A capacitor is a device which can store charge. It consists of two sheets of conductor separated by a layer of insulator
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1 Chapter 1 INTRODUCTION Alcohol drinking has been practiced in the majority of human society since early times. Alcohol (ethyl alcohol) is a drug which acts principally as a depressant on central nervous system. Its effects on behavior are well known and regular use gives rise to an increased tolerance‚ so that the drinker needs to take gradually increasing amounts to obtain the same effect. Chronic excessive alcohol consumption leads to life threatening hazards (Best‚ 1999). Alcohol related diseases
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• Intramuros Intramuros is located along the southern bank of the Pasig River. It was built by the Spaniards in the 16th century and is the oldest district of the city of Manila‚ the capital of the Philippines. Its name‚ in Spanish‚ literally means “within the walls”‚ meaning within the wall enclosure of the city/fortress. During the Spanish colonial period‚ Intramuros was considered Manila itself. The site of Intramuros was originally a large Malayan-Islamic settlement named “Maynilad”‚ ruled
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1. Where would you disconnect a chain? # a) At a bolted joint. b) At a spring clip joint. c) At an riveted joint. 2. How many strokes per minute should be used with a hacksaw? # a) 30 b) 55 c) 60 3. Unused holes in an electrical multi-pin connector should be a) fitted with pins # b) fitted with blanks c) left open 4. How many times can a locking plate be used? a) once‚ then discarded # b) indefinitely
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SENIOR SECONDARY EXAMINATION Scheme of Physics Practical Examination Duration: 3 hours Maximum Marks: 20 There will be a practical examination of 20 marks apart from the theory examination. The distribution of 20 marks is as follows: (i) (ii) (iii) Viva Record Book Two Experiments 4 Marks 2 Marks 14 Marks Note: There are 30 experiments in three Groups A‚ B and C. In the practical; examination candidates has To do two experiments which should not be from the same group and each experiment carries
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