Question

5 litres of kerosene oil is found to weigh 4.40 kg.
Find the density of kerosene oil in
(a) CGS system, (b) SI system.
[(a) 0.88 gcm-3, (b) 880 kgm 3]​

Answer 1

$density = mass \div volume$

$1l = 1000cm ^{3}$

volume= 5l = 5000cm³

mass=4.4kg = 4400gm

density : (4400/5000)

0.88g/cm³( CGS UNIT)

for the si unit

$1gm cm ^{ - 3 } = 1000kgm ^{ - 3}$

0.88g/cm³=1000*0.88kg/m³

= 880kg/m³

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