Physical quantities and their measurements

Formula for volume of cube

• l x b x h

• l x l x l

• π r x r

Formula for volume of sphere

• 4/3 π r x r x r

• 4/3 π r x r

• 4/3 π r

SI unit of density

• kg/cm³

• kg/m³

• g/m³

Archimedes invented

• Sthethoscope

• Manometer

• Odometer

Area of circle

• π x r x r

• π x r

• 2 π r

The area of circle with radius 7 m is

• 154 m²

• 154 m³

• 154 cm²

1 m³ = ___ lt.

• 100

• 1000

• 10

1 ml = ___ cm³

• 10

• 1/10

• 1

Calculate the density in g / cm³ of a 5000 cm³ of solution weighing 10 kg

• 0.2 g/cm³

• 2 g/cm³

• 20 g/cm³

1 cm² = ___ m²

• 0.0001

• 0.001

• 0.00001