Available Answers

1. 1.

   Write true or false for each statement:

   1. The S.I. unit of volume is litre.
   2. A measuring beaker of capacity 200 ml. can measure only the volume. of 200 mL of a liquid.
   3. cm² is a smaller unit of area than m²
   4. Equal volumes of two different substances have equal masses.
   5. The S.I. unit of density is g cm^-3.
   6. 1g cm^-3 = 1000 kg m^-3.
   7. The density of water is maximum at 4°C.
   8. The speed 5 m s^-1 is less than 25 km h^-1.
   9. The S.I. unit of speed is s^-1.
2. 2.

   Fill in the blanks:

   1. 1m³ = ............... cm³.
   2. The volume of an irregular solid is determined by the method of ............... .
   3. The Volume of a cube = ............... .
   4. The area of an irregular lamina is measured by using a ............... .
   5. Mass = density x ............... .
   6. The S.I. unit of density is ............... .
   7. 1g cm^-3 = ............... kg m^-3.
   8. 36 km h^-1 = ............... m s^-1.
   9. Distance travelled d = ............... x time t.
3. 3.

   Match the following:

   Column A	Column B
   Volume of a liquid  Area of a leaf  S.I. unit of volume  S.I. unit of density  S.I. unit of speed	kg m-3  m3  graph paper  m s-1  measuring cylinder

   
    

4. 4.

   Select the correct alternative:

   1. One liter is equal to:
   2. A metallic piece displaces water of volume 15 mL The volume of piece is:
   3. A piece of paper of dimensions 1.5m x 20 cm has area:
   4. The correct relation is:
   5. The density of alcohol is 0.8 g cm^-3. In S.I. unit, it will be:
   6. The density of aluminium is 2.7 g cm^-3 and of brass is 84 g cm^-3. For the same mass,
      the volume of:
   7. A block of wood of density 0.8 g^-3 cm has a volume of 60 cm³. The mass of block will be:
   8. The correct relation for speed is:
   9. A boy travels a distance 150 m in 1 minute. His speed is:
5. 5.

   Define the term volume of an object.

6. 6.

   State and define the S.I. unit of volume.