Question

you determine the volume of a
cuboid ? Write the formula you will use.
5. Name two devices which are used to measure the
volume of an object. Draw their neat diagrams
6. How can you determine the volume of an
irregular solid (say a piece of brass) ? Describe
in steps with neat diagrams.
7. You are required to take out 200 mL of milk from
a bucket full of milk. How will you do it?
8. Describe the method in steps to find the area of
an irregular lamina using a graph paper.
9. Define the term density of a substance.
10. State the S.I. and C.G.S. units of density. How
3
are they related ?
1. The density of brass is 8-4 g em? What do
you mean by the statement ?
12. Arrange the following substances in order of their
increasing
density :
(a) iron
(b) cork
(c) brass
(d) water
(e) mercury.
17​

Answer 1

Answer:

Take a piece of brass, a measuring cylinder, fine thread of sufficient length and some water. Place a measuring cylinder on a flat horizontal surface and fill it partially with water. Note the reading of the water level very carefully. Now tie the piece of brass with a thread and dip it completely into water.