Physics 9 Chapter 7 - Properties of Matter - 9

Physics 9 Chapter 7 - Properties of Matter - 9

1. What is the symbol for denoting density?

a) Symbol: d
b) Symbol: β
c) Symbol: ∞
d) Symbol: ρ

2. What is the density of glass?

a) 13.600 kgm^-3
b) 2500 kgm^-3
c) 123.32kgm^-3
d) 9.20 kgm^-3

3. Which of the following formula is correct for mass of a substance?

a) Mass = Density / Volume
b) Mass = Density x Volume
c) Mass = Density - Volume
d) Mass = Density + Volume

4. What is the density of copper?

a) 123.32kgm^-3
b) 9.20 kgm^-3
c) 13.600 kgm^-3
d) 8900 kgm^-3

5. If the mass of 5 litre of water is 5 kg. Find its density?

a) 1000 kgm^-3
b) 123.32kgm^-3
c) 9.20 kgm^-3
d) 13.600 kgm^-3

6. A wooden block measuring 40 cm x 10 cm x 5 cm has a mass 850 g. Find the density of wood?

a) 4.25 kgm^-3
b) 0.425 kgm^-3
c) 425 kgm^-3
d) 42.5 kgm^-3

7. What does the symbol ‘ρ’ represents?

a) Acceleration
b) Pressure
c) Velocity
d) Density

8. What is the density of aluminium?

a) 13.600 kgm^-3
b) 123.32kgm^-3
c) 2700 kgm^-3
d) 9.20 kgm^-3

9. What is the density of lead?

a) 9.20 kgm^-3
b) 11200 kgm^-3
c) 123.32kgm^-3
d) 13.600 kgm^-3

10. How many metre cubes are equal to 1 litre?

a) 10^-2 m³
b) 10^-3 m³
c) 10^-4 m³
d) 10^-6 m³

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