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Physics General Science Test Medium Mode MCQs With Answers
Question # 1
Which of the following is/are example/s if mechanical waves i.e. waves generated in _______:
Choose an answer
Rope
Coil of spring
Water
All of them
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Question # 2
Satellites are held in orbits around Earth by its:
Choose an answer
Gravitational field
Magnetic field
Own orbital motion
Own spin motion
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Question # 3
Which one of the following physical quantities changes with relativistic speed
Choose an answer
Length
Mass
Time
All of the above
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Question # 4
Melting point of ice
Choose an answer
Increases with increasing pressure
Decreases with increasing pressure
Is independent of pressure
Is proportional to pressure
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Question # 5
A P-N juction or semiconductor diode cannot be used as
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A rectifier
Detector
Oscillator
An amplifier
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Question # 6
The molecules or ions in a crystalline solids are
Choose an answer
static
not static
randomly moving
all of them
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Question # 7
Speed of light in vacuum depends upon:
Choose an answer
Frequency
Wavelength
Amplitude
None of these
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Question # 8
A curie represents a very strong source of
Choose an answer
α-particle
β-particle
γ-particle
none of these
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Question # 9
Atoms of hydrogen gas can be excited by passing electric current through it when the gas is filled into the discharge tube at a pressure which is
Choose an answer
Less than atmospheric pressure
Much less than atmospheric pressure
Greater than atmospheric pressure
Much greater than atmospheric pressure
Both C and D
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Question # 10
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 # 11
Work is always done on a body when:
Choose an answer
A force acts on it
It moves through certain distance
None of A or B is correct
Both A and B is correct
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Question # 12
When a body moves in a circular path,no work is done by the force since.
Choose an answer
Force and displacement are perpendicular to each other
The force is always aways from the centre
There is no displacement
There is no net force
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Question # 13
Light traveling through vacuum enters water which characteristic of light does not charge
Choose an answer
Velocity
Frequency
Wavelength
Amplitude
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Question # 14
The dimensions [MLT
-1
] refers to the quantity
Choose an answer
Momentum
Angular frequency
Angular displacement
Angular acceleration
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Question # 15
The length breadth and thickness of a block are given by 1= 12 cm b= 6 cm and t= 2.45 cm.the volume of the block according to the idea of significant figures should be:
Choose an answer
1 x10
2
cm
3
2 x 10
2
cm
3
1.763 x 10
2
cm
3
None of these
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Question # 16
The time rate of change of velocity is called
Choose an answer
Initial velocity
Uniform velocity
Accelerations
None of these
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Question # 17
Which of the following have maximum ionization power?
Choose an answer
𝛼 −rays
𝛽 −rays
𝛾 −rays
Same for all
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Question # 18
Bulk modulus for bass is
Choose an answer
20
41
61
81
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Question # 19
Examples of polymeric substances are:
Choose an answer
Plastic
Synthetic rubbers
Zirconia
All of these
Both A and B
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Question # 20
Graphs which are used to illustrate the variation of velocity of an object with time are called
Choose an answer
distance-time graphs
speed-time graphs
velocity-time graphs
acceleration-time graphs
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Question # 21
The capacitance of a parallel plate capacitor does not depend upon
Choose an answer
Area of plates
Medium between plates
Distance between plates
Metal of the plates
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Question # 22
A proton is about 1840 times heavier than an electron When it is accelerated by a potential difference of 1 kV,its kinetic energy will be:
Choose an answer
1840 keV
1/1840 keV
1 keV
920 keV
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