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The five successive measurements of the thickness of a glass plate using a screw gauge are 1.56 mm, 1.54 mm, 1.57 mm, 1.53 mm and 1.52mm. Evaluate :a) The mean value of thicknessb) Absolute error in each measurementc) The mean absolute errord) Relative errore) Percentage error |
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Answer» e SUCCESSIVE measurements of the thickness of a glass plate USING SCREW gauge are 1.56mm, 1.54mm, 1.57mm, 1.53mm and 1.52mm.A] The mean value of thickness :If a₁ , a₂ , ... , aₙ are the reading of an experiment, then true value or mean value of the quantity is given by the arithmetic mean,B] Absolute error :or C] The mean absolute error :D] Relative error :E] Percentage error : |
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