Measurement and Error Estimation

Jun 17th, 2015
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Introduction : Since the measurement, can be absolutely accurate, therefore, there will always Sort of errors in the measurements. An error is the difference between the measure value and the actual value. If any error cannot be eliminated or reduced, it must be considered as part of the measurements,

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INSTITUT PENDIDIKAN GURU MALAYSIAKAMPUS RAJA MELEWARSEREMBAN, NEGERI SEMBILANPPISMP JUN 2010______________________________________________________KERJA KURSUS NAMA:NUR HIDAYAH BINTI MANSORNO KAD PENGENALAN:911006-02-6090UNIT:SAINS/BI/BMNAMA PENSYARAH:PN. FATHAIYAH BINTI ABDULLAHTARIK HANTAR:Topic: Measurement and Error EstimationPurpose: to determine the density of :(i) Glass (iii) PVC (ii) Steel (iv) Cooking OilIntroduction: Since the measurement, can be absolutely accurate, therefore, there will always Sort of errors in the measurements. An error is the difference between the measure value and the actual value. If any error cannot be eliminated or reduced, it must be considered as part of the measurements, Systematic errors in when making measurements either through incorrect positioning of the eyes or the instrument when a measurement is taken. Thats why we should find the probable measurement scale error of the instrument as the first step.The density of a substance is the mass per unit volume of the substance, for example: Before the density of a substance could be determined, it is necessary to measure the mass and volume of the substance. Using relationship in (1) the density of the substance could be calculated: The S.I unit for density is kg m-3. We can also use the unit g cm-3 for the denA

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