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Describe an Experiment to Determine the Density of a Liquid. - ICSE Class 8 - Physics

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Question

Describe an experiment to determine the density of a liquid.

Solution

To determine the density of a liquid D = M / V
We need to find (i) the vol. of liquid say milk, (ii) mass of liquid.
EXPERIMENT:
(i) To find the mass of milk:
wt. of empty 100 c.c beaker = Mg = 70 g (say)
Fill the beaker (half) with milk and weigh again=M2 g = 116 g (say)
(ii) To find the vol. of milk:
TrAnsfer this milk into measuring cylinder and note the volume V = 40 c.c (say)

∴Density of milk =D=`M/V`=`(m_2-m_1)/(40c.c)`

=`(116-70)/40`=`46/40`=`4.6/4`=1.15 g `cm^-3`

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Solution Describe an Experiment to Determine the Density of a Liquid. Concept: Concept of Measurement of Density of Fluids.
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