5 litres of kerosene oil is found to weigh 4.40 kg .find the density of kerosene oil in a) CGS unit b)SI unit
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Answer:
given: volume of kerosene oil=5 litre=0.005=5 x10^-3m^3(cubic metre)
mass of kerosene oil=4.40kg
to find:
density in CGS unit and SI unit
solution:
density=mass /volume
SI:
density= 4.40/5 x 10^-3
density=0.88/10^-3=0.88 x10^3kg/m^3
CGS:
density=(0.88x10^3) x 10^3+10^2g/cm^3
=(0.88x10^3) x 10^5g/cm^3
=(0.88x10^3+5)g/cm^3
=0.88x 10^8g/cm^3
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