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Physics General Science Test Medium Mode MCQs With Answers
Question # 1
A current of 1 ampere is passing through a conductor. The charge passing through it in half a minute s
Choose an answer
One coulomb
0.5 coulomb
30 coulombs
2 coulombs
None of these
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Question # 2
The minimum wavelength of X-rays produced of 1KV potential difference is applied across the anode and cathode of the tube is
Choose an answer
1.24 x 10
-10
m
7.92 x 10
-20
m
2.78 x 10
-14
m
3.88 x 10
-11
m
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Question # 3
It is customary represent a current flowing towards the reader by a symbol
Choose an answer
(x)
(+)
(.)
(-)
(
÷)
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Question # 4
The analysis of the distribution of wavelengths of the radiation emitted from a hot body set the foundation of new mechanics, known as
Choose an answer
classical mechanics
Newtonian mechanics
quantum mechanics
statistical mechanics
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Question # 5
Carnot heat engine only used
Choose an answer
isothermal processes
adiabatic processes
both of them
none of them
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Question # 6
One radian is equal to:
Choose an answer
30.3
°
45.3
°
50.3
°
57.3
°
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Question # 7
If two bulbs one of 60 W and other of 100 W are connected in parallel, then which one of the following will flow more?
Choose an answer
60 W bulb
100 W bulb
Both equally
None of these
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Question # 8
Electric potential of earth is taken to be zero because the earth is good
Choose an answer
Semiconductor
Conductor
Insulator
Dielectric
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Question # 9
Centripetal acceleration is also called _______ acceleration:
Choose an answer
Tangential
Radial
Angular
None of them
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Question # 10
The flow of an ideal fluid is
Choose an answer
streamline flow
incompressible flow
non-viscous
all of the above
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Question # 11
If a simple pendulum is shifted from karachi to K-2 cliff, its time period
Choose an answer
remains the same
decreases
increases
none of them
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Question # 12
The Dimension of Force is
Choose an answer
[MLT
-2
]
[MLT
2
]
[ML
2
T
-2
]
None of these
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Question # 13
The quality of the moving body is called
Choose an answer
Motion
Momentum
Force
None of these
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Question # 14
A typical rocket ejects the burnt gases at speeds of over
Choose an answer
4000 ms
-1
5000 ms
-1
6000 ms
-1
None of these
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Question # 15
For assessment if total uncertainly in case of division
Choose an answer
Absolute uncertainly are added
Absolute uncertainty are subtracted
Percentage uncertainties are added
Percentage uncertainties are substracted
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Question # 16
Torque is a turning effect of a
Choose an answer
Body
Momentum
Force
None of these
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Question # 17
Fast moving atomic particles, accelerated in an accelerator are applicable to the new branch of Physics is
Choose an answer
Newtonian mechanics
Relativistic mechanics
Classical mechanics
None of these
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Question # 18
The central ring is bright in case of newton's ring produced by:
Choose an answer
Reflected light
Transmitted light
Wedged film
None of above
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Question # 19
The velocity of a body at some particular instant is called
Choose an answer
Initial velocity
Instantaneous velocity
Variable velocity
None of these
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Question # 20
The sum of all energy of all molecules atoms in an object is known as
Choose an answer
Temperature
Entropy
Internal energy
None of these
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Question # 21
The energy need to magnetize and demagnetize the specimen during the each cycle of magnetizing current is
Choose an answer
Value of current
Value of demagnetizing current
Value of magnetic flux density
Area of the loop
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Question # 22
Slope of velocity time graph gives
Choose an answer
Distance
Instantaneous acceleration
Instantaneous velocity
Instantaneous speed
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