## Physical Quantities and Measurements – Question Bank

Physical quantities and measurements

- 1 m
^{3}is equal to ____ cm^{3}

Answer: 10^{6} cm^{3}

- 1 liter = ___ ml

Answer: 1000 ml

- 1cm
^{3}of liquid is equal to ___ ml.

Answer: 1 ml

- SI unit of volume is ___

Answer: liter

- 1cm
^{2}= ____ m^{2}

Answer: 10^{-4} m^{2}

- 1m
^{2}= ____ mm^{2}

Answer: 10^{6} mm^{2}

- 1m
^{2}= ____ Hectare

Answer: 10^{-4}Hectare

- 1km
^{2}= ____ Hectare

Answer: 100 Hectares

- 1 m
^{2}= ___ Km^{2}

Answer: 10^{-6} km^{2}

- 1cm
^{3 }= ___ ml

Answer: 1 ml

- 1m
^{3}= _____ lit

Answer:1000 lit

- If ‘l’ is length of cube, volume is:

Answer: l^{3}

- 1 m
^{2}= ____ cm^{2}

Answer: 10^{4} cm^{2}

- 1 m
^{2}= ___ Km^{2}

Answer: 10^{-6} km^{2}

- SI unit of area is ____.

Answer: m^{2}

- SI unit of mass is ____

Answer: kg

- Which is the least dense planet in solar system?

Answer: Saturn

- Which is the densest plant in solar system?

Answer: Earth

- If we have a large enough water pool, Saturn would float on it?

Answer: True

- SI Unit of density is ____

Answer: kg m^{-3}

- Density is ___ proportional to mass.

Answer: Directly

- Density is ___ proportional to volume.

Answer: inversely

- The density of a 5kg metal lump of volume 1.25 m3 is ____.

Answer: 4 kg m^{-3}

- If 90 cm3 of iron weighs 624 g, its density is ____.

Answer: 6.9 kg m^{-3}

- Mass of a piece of wood is 150g and volume is 200 cm3 then its density is ____.

Answer: 0.75g cm^{-3}

- If the density of wood is 5g cm-3, what is the mass of 1 cm3?

Answer: 5 g

- Volume of book of length 20cm, breadth 10cm and height 5 cm is ____.

Answer: 1000 cm^{3}

- Initial level of water in a measuring cylinder is 20.5ml. If on dropping of stone, water rises to 30ml, volume of stone is ____. Answer: 9.5 ml

- A ____ is used in laboratory to measure volume of a liquid.

Answer: measuring cylinder

- Sub-multiple unit of area are ____.

Answer: cm^{2,} mm^{2} etc

- Mass per unit volume is____.

Answer: density

- Space occupied by an object is ____.

Answer: volume

- To determine the density of a solid, we need to know its ____ and ____.

Answer: mass and volume

- The SI unit of density is Kg m-3.

Answer: True

- A piece of wood and a piece of copper of same mass have same volume.

Answer: False

- It is convenient to store 100Kg of steel than 100 Kg of cotton because ____.

Answer: cotton has more volume.

- Physical quantity is that quantity which _____.

Answer: can be measured.

- Length is distance between basically ___ points.

Answer: two

- Which is heavier, 10kg cotton or 10 kg iron?

Answer: both of same mass.