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Online Tests
Physics ECAT Pre Engineering Chapter 1 Measurement Online Test MCQs With Answers
Question # 1
Light year is a unit of:
Choose an answer
Time
Distance
Velocity
Intensity of light
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Question # 2
Distance to nearest galaxy from earth is
Choose an answer
10
10
m
10
15
m
10
40
m
10
30
m
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Question # 3
The maximum possible error in the reading of an instrument is ______ its least count.
Choose an answer
Half of
Quarter of
Equal to
Double than
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Question # 4
Density is defined as:
Choose an answer
Mass per volume
Volume per mass
Mass x volume
Mass per length
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Question # 5
Particles have the mass smallest of following is
Choose an answer
Electron
Proton
Neutron
Quark
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Question # 6
The definite number of significant figures in 5000 is:
Choose an answer
Four
Three
Two
One
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Question # 7
The branch of physics which deals with the properties of fundamental particles is called:
Choose an answer
High energy physics
Molecular physics
Astrophysics
Space physics
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Question # 8
Astrophysics is a branch of physics, which deals with:
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Sub-atomic particles
Stars and galaxies
Light and sound
Music
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Question # 9
Which of the following are the units of intensity of light
Choose an answer
Pois
Lux
Siemen
Candela
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Question # 10
In the equation E=mc
2
value of c is:
Choose an answer
1,86,000 miles per hour
1,86,000 miles per sec
3 X 10
8
m/sec
Both A and C
Both B and C
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Question # 11
The mechanics, which deals with the objects moving with velocities approaching that of light is called:
Choose an answer
Relativistic mechanics
Wave mechanic
Quantum mechanics
Statics
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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
For multiplication and division purposes, percentage uncertainties are:
Choose an answer
Add
subtracted
Multiplied
Divided
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Question # 14
Significant figures in 0.0010 are
Choose an answer
Four
Three
Two
One
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Question # 15
The information from far side of the universe are gathered by:
Choose an answer
Radio telescope
Microscope
Telescope
Spectro scope
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Question # 16
The branch of physics which concerned with the ultimate particles of which the universe is composed is known as
Choose an answer
SolidState physics
Particle Physics
Nuclear Physics
Atomic Physics
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