9th Class Physics Chapter No.7 Past Paper MCQs
HAMZA SCIENCE ACADEMY
Physics MCQs Test Class 9th
Chapter # 7
PROPERTIES OF MATTER
1. Which of the substance is the lightest one?
(A)
Copper
(B)
Mercury
(C)
Aluminium
(D) Lead
2. SI unit of pressure is Pascal, which is equal to:
(A)
104 Nm-2
(B) 1 Nm-2
(C) 102 Nm-2
(D) 1 Nm-3
3.
What
should be the approximate length of a glass tube to construct a water
barometer?
(A)
0.5 m
(B)
1 m
(C)
2.5 m
(D) 11 m
4. In which of following state molecule do not leave their
position?
(A)
Solid
(B)
Liquid
(C)
Gas
(D) Plasma
5.
The
fourth state of matter is:
(A)
Solid
(B)
Liquid
(C)
Gas
(D) Plasma
6.
In
SI, the unit of density is:
(A)
Kgm-1
(B)
Kgm-3
(C)
Kgm-2
(D) Kgm
7.
Density
=
(A)
(B)
(C)
(D)
8. In System International, the unit of pressure is:
(A)
Nm-2
(B)
KgK-1
(C)
Nm
(D) Kgm-3
9. At sea level, the atmospheric pressure is about:
(A)
101,300
Pa
(B)
110,300 Pa
(C)
103,100 Pa
(D) 100,130 Pa
10.
_________
works on Pascal’s law.
(A)
Screw
gauge
(B)
Vernier callipers
(C)
Hydraulic Press
(D) Wedge
11. Hydraulic Press works on:
(A)
Newton’s
law
(B)
Pascal’s law
(C)
Archimedes Principle
(D) Hook’s law
12.
Mercury
is denser than water:
(A)
10 times
(B)
12.5 times
(C)
13 times
(D) 13.6 times
13.
Liquid
pressure at depth ʺhʺ is:
(A)
pgh2
(B)
pgh3
(C)
pgh
(D) pglh
14. The upthrust force of a liquid is
equal to:
(A)
pgV
(B)
pgh
(C)
pgl
(D) pga
15.
If
‘w’ is the weight of the body and ‘F’ is the upthrust of liquid, then the body
will float if:
(A)
W >
F
(B)
w < F
(C)
w = F
(D) Both (B) and (C)
16.
The
ratio between stress and tensile strain is:
(A)
Elastic
Modulus
(B)
Bulk Modulus
(C)
Young’s Modulus
(D) Shear Modulus
17.
= constant; is:
(A)
Pascal’s law
(B)
Newton’s law
(C)
Archimedes’s Principle
(D) Hooke’s law
18.
According
to Hooke’s law:
(A)
Stress
Strain = constant
(B)
Stress
/ Strain = constant
(C)
Strain / Stress = constant
(D) Stress = Strain
19.
Mass
of unit volume of anybody:
(A)
Area
(B)
Density
(C)
Force
(D) Pressure
20.
Molecules
are very close in body of:
(A)
Plasma
(B)
Solid
(C)
Liquid
(D) Gases
21. SI unit of stress is:
(A)
(B)
(C)
Ns
(D) Nm
22. 5 liter is equal to
(A)
(B)
(C)
(D)
23. Stress is equal to:
(A)
(B)
(C)
(D)
24. Water exist in the states:
(A)
One
(B)
two
(C)
three
(D) four
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