1.

The density of Mercury is 13.6 gm/e. Calculate its value in M.K.S, system using thedimensions.

Answer»

SI unit of density is Kg/m³ 1 m = 100 cm => 1 cm = 10-² m 1 Kg = 1000g => 1g = 10-³ Kg

now, 13.6 g/cm³ = 13.6 × ( 10-³)/(10-²)³ Kg/m³

= 13.6 × 10-³/10^-6 Kg/m³

= 13.6 × 10^(-3 + 6) Kg/m³

= 13.6 × 10³ Kg/m³



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