Question

9
Select the correct options
1. The SI unit of area is
(b) cm
2. The amount of surface occupied by an object is called its
(c)
(a) volume
(b) area
3. The space occupied by an object is called its
mass
( (d) capacity
(a) area
(b) volume
(c) mass
4. Volume of a cube is calculated by multiplying its side
(d) density
(a) two times
(b) three times
(c) four times
(d) five times
S. Which of the following is a correct relation between mass, volume and density?
Volume
(a) Mass
Density
b) Density - Mass « Volume
(c) Density
Volume
(d) None of these
6. What is the density of water?
(a) 1 gcm
(b) 15 g cm) 0.8 g om (4) 13 8 cm
7. The SI unit of speed is
(a) cm/s
(b) m/s
(c) km/h
(d) newton
8. In order to calculate speed, we should know
(a) distance travelled
(b) displacement travelled
(c) either distance or displacement
(d) both distance as well as displacement
m. Fill in the blanks with the correct option:
sintes Sea ml
density river 10"
1. The volume of liquids is expressed in
2. 1 m'a
3. By knowing the
of a substance, the mass of any volume can be calculated
4. An object
in a liquid of smaller density than its own.
water than in
5. It is easier to swim in
III. State if the following statements are True or False. Correct the false statement.
1. Measuring cylinders are used to measure the area occupied by liquids.
2. 1 cm' is equal to 100 ml.
3. A density bottle is used to find the density of liquids.
4. Equal volumes of different liquids have equal masses,
cm​

Answer 1

Answer:

2nd question answer is area

5th question answer is 3rd option

6th question answer is 0.8 g

7th question answer is Km/h