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Online Tests
ECAT Physics Chapter 1 Measurements Online Test MCQs With Answers
Question # 1
Physics details with the study of:
Choose an answer
Matter
Energy
Both of them
Human body
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Question # 2
For multiplication and division purposes, percentage uncertainties are:
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Add
subtracted
Multiplied
Divided
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Question # 3
Addition of 2.189 kg, 11.8 kg and 5.32 kg gives the rounded off answer as:
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19.398
19.400
19.4
19.3
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Question # 4
Addition of 2.189 kg, 0.089 kg, 11.8 kg, and 5.32 kg gives the rounded off answer as:
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19.398
19.400
19.4
19.3
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Question # 5
0.0001210 has ____________ significant figures.
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Four
Three
Seven
Eight
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Question # 6
Diameter of the nucleus s of the order of
Choose an answer
10
-10
m
10
-12
m
10
-15
m
10
-18
m
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Question # 7
The maximum possible error in the reading of an instrument is ______ its least count.
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Half of
Quarter of
Equal to
Double than
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Question # 8
Relativistic mechanics is a branch of physics, which deal with the bodies moving with velocities:
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More then c
Approaching c
Equal to c
Much less than x
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Question # 9
Distance to nearest galaxy from earth is
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10
10
m
10
15
m
10
40
m
10
30
m
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Question # 10
Particles have the mass smallest of following is
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Electron
Proton
Neutron
Quark
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Question # 11
Which quantity has different dimensions:
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Work
Pressure
Energy
Torque
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Question # 12
Silicon can be obtained from
Choose an answer
Lead
Uranium
An isotope of oxygen
Sand
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Question # 13
Which one is the least multiple:
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Pico
Femto
Nano
Atto
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Question # 14
1 gm-cm
-3
is equal to
Choose an answer
10
3
kg-m
-3
10
-3
kg-m
-3
1kg-m
-3
10
6
kg-m
-1
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Question # 15
From sand, we get a material used for construction of computer chips. That material is called:
Choose an answer
Germanium
Silicon
Copper
Lead
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Question # 16
Which one is the least multiple
Choose an answer
Pico
Femto
Nano
Atto
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