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Physics 9 Chapter 7 - Properties of Matter - 12
1.
What is the SI unit of pressure?
a) Nm
b) Nm
-2
c) Nm
2
d) Nm
-1
2.
What is the SI unit of pressure?
a) Pascal
b) Newton
c) Coulomb
d) Kelvin
3.
Pascal is the SI unit of................?
a) Pressure
b) Electric current
c) Density
d) Force
4.
SI unit of pressure is pascal, which is equal to................?
a) 10
2
Nm
-2
b) 1 Nm
-2
c) 10
3
Nm
-2
d) 10
4
Nm
-2
5.
What is the cover of air called by which earth is surrounded?
a) Atmosphere
b) Biosphere
c) Environment
d) Hydrosphere
6.
A balloon ....................when we fill air in it?
a) Contracts
b) Constricts
c) Expands
d) Squeeze
7.
What will happen to the hot can (that is tightly capped) when put under tap water?
a) Water will become hot
b) Water will become cool
c) Can will squeeze
d) Can will expand
8.
What is the atmospheric pressure at sea level?
a) 1,300 Pa
b) 101,300 Pa
c) 11,300 Pa
d) 10,300 Pa
9.
What is the atmospheric pressure at sea level?
a) 10,300 Nm
-2
b) 11,300 Nm
-2
c) 101,300 Nm
-2
d) 1,300 Nm
-2
10.
In how many directions atmosphere exerts pressure?
a) Towards west
b) Towards south
c) Towards north
d) All directions
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