A solid weighs 80g in air ,68g in water and 60g in oil.Calculate the relative density of the solid to the oil
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Weight of solid in air, wa = 80 g
Weight of solid in water, ww = 68 g
Weight of solid in oil, wo = 60 g
begin mathsize 14px style Relative space Density space equals space fraction numerator Loss space of space weight space of space solid space in space air over denominator Loss space of space weight space of space solid space in space water end fraction Relative space Density space equals space fraction numerator straight W subscript straight a space minus space straight W subscript straight o over denominator straight W subscript straight a space minus space straight W subscript straight w end fraction space equals space fraction numerator 80 space minus space 60 over denominator 80 space minus space 68 end fraction Relative space Density space equals space 20 over 12 space equals space 5 over 3 space equals space 1.67 end style
Therefore, the relative density of oil is 1.67
Weight of solid in air, wa = 80 g
Weight of solid in water, ww = 68 g
Weight of solid in oil, wo = 60 g
begin mathsize 14px style Relative space Density space equals space fraction numerator Loss space of space weight space of space solid space in space air over denominator Loss space of space weight space of space solid space in space water end fraction Relative space Density space equals space fraction numerator straight W subscript straight a space minus space straight W subscript straight o over denominator straight W subscript straight a space minus space straight W subscript straight w end fraction space equals space fraction numerator 80 space minus space 60 over denominator 80 space minus space 68 end fraction Relative space Density space equals space 20 over 12 space equals space 5 over 3 space equals space 1.67 end style
Therefore, the relative density of oil is 1.67
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