what is the principle of working of lactometer
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A Lactometer is a little glass instrument that tests the purity of milk based on density/buoyancy. It is basically a glass tube with a round shaped bottom containing a liquid of certain density inside it. The liquids will rise/fall inside the tube depending upon the pressure and depth.
It is based on the Archemedes' principle. When we put loctometer inside the liquid it experience buoyant force(weight of displaced fluid). Hence measures relative density in the given scale of loctometer. Lower the density of liquid farther, the loctometer will sink.
It is based on the Archemedes' principle. When we put loctometer inside the liquid it experience buoyant force(weight of displaced fluid). Hence measures relative density in the given scale of loctometer. Lower the density of liquid farther, the loctometer will sink.
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Lactometer works upon the principle of specific gravity while hydrometer works on the principle of archimedes principle i.e. the weight of the object equals to the weight of liquid displaced by the object
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