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Physics General Science Test Medium Mode MCQs With Answers
Question # 1
The number of field lines passing through unit area held perpendicular to the field lines represent:
Choose an answer
Flux in that region
Intensity of the field
Charge
Area of the region
None of these
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Question # 2
Pressure may be define as _______ per second per unit area:
Choose an answer
Change in force
Change in momentum
Change in energy
Work done
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Question # 3
In case of metallic conductors, the charge carriers are
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Protons
Electrons
Antiprotons
Positrons
Both A and B
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Question # 4
In SHM, there is always a constant ratio between displacement if body and its:
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Velocity
Period
Mass
Acceleration
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Question # 5
The weight 'mg' of the bob is resolved into
Choose an answer
one component
two components
three components
four components
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Question # 6
A current carrying conductor is placed at right angle to the magnetic field. The magnetic force experienced by the conductor is
Choose an answer
minimum
maximum
zero
none of these
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Question # 7
A water hose with an internal diameter of 20 mm at the outlet discharges 30 kg of water in 60 s. What is water speed at the outlet if density of water is 1000 kg/m
3
during its steady flow
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1.3 m/s
1.6 m/s
1.9 m/s
2.2 m/s
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Question # 8
The magnitude of induced emf depends upon the:
Choose an answer
Rate of decrease of magnetic field
Rate of change of magnetic field
Rate of increase of magnetic flux
Constancy of magnetic field
None of these
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Question # 9
Fire fighters have jet attached to the head of their water pipes in order to
Choose an answer
Increase the mass of water flowing per second
Increase the velocity of water flowing out
Increase the volume of water flowing per second
Avoid wastage of water
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Question # 10
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 # 11
A railway engine (mass 10
4
kg) is moving with a speed of 73 km/h. The force which should be applied to bring it to rest over a distance of 20 m is
Choose an answer
3,600 N
7,200 N
10,000 N
100,000 N
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Question # 12
The product of force times the perpendicular distance between some point and the line of action of the force is
Choose an answer
The moment of inertia action on it
The moment of force about the chosen point
The angular momentum of the body
None of these
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Question # 13
Work done per unit charge is
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Electric Flux
Electric potential
Electric intensity
None of these
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Question # 14
If the mass of the body is M on the earth surface, then the mass of the same body on the moon
Choose an answer
M/6
Zero
M
None of these
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Question # 15
Two projectiles are fired from the same point with the same speed at angles of projection 60° and 30° respectively.Which one of the following is true?
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Their range will be same
Their maximum height will be same
Their landing velocity will be same
their time of flight will be same
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Question # 16
The ratio of linear stress/linear strain is called as
Choose an answer
Young's modulus
Bulk modulus
Shear modulus
Modulus
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Question # 17
A rocket carries its own fuel in the form of a
Choose an answer
Liquid and oxygen
Solid and oxygen
Both
None of these
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Question # 18
Such substances which break soon after they cross elastic limit is called
Choose an answer
Weak substance
Ductile substance
Brittle substance
Organic substance
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Question # 19
The dimension of elastic modulus
Choose an answer
ML
-1
T
2
MLT
2
ML
-1
T
2
MLT
3
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Question # 20
In projectile motion the vertical acceleration is
Choose an answer
Zero
Maximum
'g'
None of these
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Question # 21
Surface tension of water is reduced by adding
Choose an answer
Detergents
Camphor
Plastic
Both A and B
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Question # 22
The ratio of size of the image to the size of the object is called
Choose an answer
Resolving power
Magnification
Power
None of these
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