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Physics General Science Test Medium Mode MCQs With Answers
Question # 1
In an ideal gas, the molecules have:
Choose an answer
Kinetic energy only
Potential energy only
Both KE and PE
None of these
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Question # 2
A stone is dropped from rest from the top of a tower 19.6 m high. The distance traveled during the last second of its fall is (giving g=9.8 m/s
s
)
Choose an answer
9.8 m
14.7 m
4.9 m
19.6 m
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Question # 3
If two forces of magnitudes 3.5 and 2.5 N act on a body such that the angle between the forces is zero, then magnitude of the resultant will be:
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1.0 N
6 N
3.5 N
12 N
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Question # 4
According to the Bernoulli's theorem the pressure velocity are
Choose an answer
equal to each other
proportional to each other
inversely proportional to each other
none of them
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Question # 5
When a stress changes length, it is called the
Choose an answer
compressional stress
tensile stress
shear stress
any one of them
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Question # 6
The concept of direction and position are purely
Choose an answer
absolute
relative
absolute or relative
none of these
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Question # 7
The phenomenon of generation of induced emf is called
Choose an answer
Electrostatic induction
Magnetic induction
Electromagnetic induction
Electric induction
Both (A) and (D)
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Question # 8
The product of the pressure and volume of an ideal gas is
Choose an answer
A constant
Approximately equal to the universal gas constant
Directly proportional to its temperature
Inversely proportional to its temperature
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Question # 9
At any point on the right bisector of the line joining two equal and opposite charges
Choose an answer
At electric field is zero
The electric potential is zero
The electric potential decreases with increasing distance from the centre
The electric field is perpendicular to the line joining the charges
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Question # 10
Compton studied the scattering of x-rays by loosely bound electrons from:
Choose an answer
NaCl crystal
Graphite crystal
Zirconia
Copper crystal
None of these
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Question # 11
Newton's first law is also called:
Choose an answer
Law of torque
Law of force
Law of inertia
None of these
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Question # 12
The maximum kinetic energy of emitted photoelectrons depends upon:
Choose an answer
The intensity of incident light
Frequency of the incident light
Temperature of the surface
All of above
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Question # 13
A person A is going up in a balloon while another person is going down into a mine.Both are measuring the gravitational field.
Choose an answer
The field measured by both A and B goes on increasing.
The field measure by A Increases while the measured by B decreases
The field measured by A decreases while that measured by B decreases
The field measured by A decreases while that measured by B increases
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Question # 14
As we go above the surface of earth the value of 'g'
Choose an answer
Increase
Remain Constant
Decrease
Increase slightly
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Question # 15
It is easier to turn a steering wheel with both hands than with a single hand because
Choose an answer
Accelerating force increase on the wheel
Two forces act on the wheel
Two hands provide firm grip
Couple acts on the wheel
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Question # 16
Why the toner is given a negative charge to the drum
Choose an answer
To spread over the drum
To stick the writing
To neutralize writing
None of these
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Question # 17
There will be no change in _______ of light entering glass
Choose an answer
Velocity
Frequency
Direction
Wavelength
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Question # 18
Capacitor is a device use to store the
Choose an answer
A.C. current
D.C. current
Charge
Voltage
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Question # 19
In the doping process, the ratio of the doping atoms to the semi-conductor atom is
Choose an answer
1 to 10
1 to 10
3
1 to 10
6
1 to 10
9
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Question # 20
Strain is dimensionless and has
Choose an answer
Units
No units
S.I. units
None of these
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Question # 21
The critical temperature T for is
Choose an answer
1.6 K
2.71 K
3.72 K
2.82 K
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Question # 22
The number 1678.9 should be written in scientific notation as
Choose an answer
16.789 × 10
3
1.6789 × 10
3
1678.9 × 10
3
None of these
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