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Online Tests
ECAT Pre General Science Physics Chapter 1 Measurements Online Test MCQs With Answers
Question # 1
The system international (SI) is built from _______ kind of unites
Choose an answer
Two
Three
Four
Five
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Question # 2
Electron is a particle whose mass is:
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Greater than that of a proton
Smaller than of a proton and greater than mass of neutron
Smaller than that of proton or neutron
Greater than that of an atom
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Question # 3
High energy physics is branch of physics, which deals with:
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Stars and galaxies
Sub-atomic particles
Light and sound
Molecules
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Question # 4
1 gm-cm
-3
is equal to:
Choose an answer
10
3
kg-m
-3
10
-3
kg-m
-3
1 kg-m
-3
10
6
kg-m
-1
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Question # 5
1 gm-cm
-3
is equal to:
Choose an answer
10
3
kg-m
-3
10
-3
kg-m
-3
1 kg-m
-3
10
6
kg-m
-1
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Question # 6
Which branch of physics deals with the structure and properties of solids
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Atomic Physics
Plasma Physics
Molecular Physics
Solid state physics
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Question # 7
The branch of physics which deals with the structure and properties of solids is called:
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Plasma physics
Solid state physics
Any of above
Astrophysics
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Question # 8
The maximum possible error in the reading for a meter rod with least count 1 mm is:
Choose an answer
0.005 mm
0.05mm
0.5mm
5.0mm
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Question # 9
The principle characteristics of an ideal standard are
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Inaccessible and Invariable
Accessible and Invariable
Accessible and Variable
None of these
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Question # 10
The quantity having dimension of ML
2
T
02
will earth is:
Choose an answer
80 sec
500 sec
1.802 X 10
4
sec
Aerophysics
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Question # 11
Light year is a unit of:
Choose an answer
Time
Distance
Velocity
Intensity of light
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Question # 12
Which one of the least multiple:
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Pico
Femto
Nano
Atto
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Question # 13
Significant figures in 0.0010 are:
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Four
Three
Two
One
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Question # 14
Astrophysics is a branch of physics, which deals with
Choose an answer
Sub-atomic
Stars and galaxies
Light and sound
Music
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Question # 15
At the present time, the main frontiers of fundamental science are
Choose an answer
2
3
4
5
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Question # 16
For multiplication and division purposes, percentage uncertainties are:
Choose an answer
Add
subtracted
Multiplied
Divided
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Question # 17
Which of the following are the units of intensity of light
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Pois
Lux
Siemen
Candela
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Question # 18
The branch of physics which deals with the properties of fundamental particles is called:
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High energy physics
Molecular physics
Astrophysics
Space physics
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Question # 19
Particles have the mass smallest of following is
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Electron
Proton
Neutron
Quark
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Question # 20
Significant figures in 0.0010 are
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Four
Three
Two
One
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Question # 21
dimensions are the same for:
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Work and energy
Force and weight
None of these
Both a and b
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Question # 22
Astrophysics is a branch of physics, which deals with:
Choose an answer
Sub-atomic particles
Stars and galaxies
Light and sound
Music
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Question # 23
The study of physics involves?
Choose an answer
Structure of space and time
Interaction of electromagnetic radiation with matter
Both of them
Chemical changes
None of them
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Question # 24
Branch of physics which deals with the study of stars and galaxies is called:
Choose an answer
Solid state physics
Astrophysics
Molecular physics
Chemical physics
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Question # 25
0.0001210 has ____________ significant figures.
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Four
Three
Seven
Eight
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Question # 26
Aerodynamics is a branch of
Choose an answer
Hydrodynamics
Thermodynamics
Both of them
Statics
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Question # 27
Which quantity has different dimension:
Choose an answer
Work
Pressure
Energy
Torque
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Question # 28
Light year is a unit of
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Time
Distance
Velocity
Intensity of light
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Question # 29
Diameter of the atom is of the order of
Choose an answer
10
-10
m
10
-12
m
10
-15
m
10
-9
m
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