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Physics General Science Test Medium Mode MCQs With Answers
Question # 1
Which branch of physics deals with the structure and properties of solids
Choose an answer
Atomic Physics
Plasma Physics
Molecular Physics
Solid state physics
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Question # 2
Radioactivity was discovered by
Choose an answer
Rutherford
Henri Becqureal
Maxwell
James Chadwick
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Question # 3
The direction of induced current is always so as to oppose the cause which produces it. This is
Choose an answer
Lenz's law
Ampere's law
Faraday's law
Coulomb's law
None of these
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Question # 4
The substance in which atoms are so oriented that the field produced by spin and orbital motion of the electrons might add up to zero,are called
Choose an answer
diamagnetic substances
ferromagnetic substances
paramagnetic substances
all of them
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Question # 5
The photoelectric effect, the maximum energy of photoelectrons depends on the
Choose an answer
particular metal surface
frequency of incident light
both of them
none of them
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Question # 6
The entire wave form of sinusoidal voltage is actually a set of all the:
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Positive maximum value + V
o
and negative maximum value -V
o
Posiotive maximum value +V
o
and zero
Zero and negative maximum value -V
o
Any of these
None of these
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Question # 7
The current sensitivity of the galvanometer is
Choose an answer
C/BAN
BAN/C
CAN/B
CBN/A
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Question # 8
The superposition of the two waves of same frequency and amplitude travelling in the same direction gives to an effect called
Choose an answer
Diffraction
Interference
Polarization
Dispersion
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Question # 9
Carnot heat engine only used
Choose an answer
isothermal processes
adiabatic processes
both of them
none of them
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Question # 10
A point on the rim of a wheel moves 0.2 m when the wheel turns through an angle of 14.3 degrees. The radius of the wheel is
Choose an answer
0.05 m
0.08 cm
0.8 m
0.008 m
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Question # 11
If the focal length of the convex lens is 5 cm, then to get the real and inverted image of the same size as that of object, the object should be placed at:
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5 cm
10 cm
15 cm
20 cm
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Question # 12
Choose an answer
Initial velocity
Variable velocity
Instantaneous velocity
None of these
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Question # 13
Change in entropy is positive when heat is
Choose an answer
Removed
Added
Remains as is it
None of these
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Question # 14
Which of the following is the only vector quantity
Choose an answer
Temperature
Energy
Power
Momentum
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Question # 15
Which of the following statements for an object in equilibrium not true?
Choose an answer
The object must be at rest
The object can be at rest
The object is moving at constant
The acceleration of the object is zero
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Question # 16
When a silicon crystal is doped with trivalent impurity which are
Choose an answer
Indium
Arsenic
Phosphorous
None of these
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Question # 17
The rotational analogue of power is given by
Choose an answer
τ
ω
τv
F
ω
τ
/
ω
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Question # 18
For a given angle of projection if the time of flight of a projectile is doubled the horizontal range will increases to:
Choose an answer
Four times
Thrice
Once
Twice
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Question # 19
If vectors P,Q and R; have magnitude 5,12 and 13 units and P + Q = R the angle between Q and R is
Choose an answer
cos
-1
5/12
cos
-1
5/13
cos
-1
12/13
cos
-1
7/13
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Question # 20
Examples of polymeric substances are:
Choose an answer
Plastic
Synthetic rubbers
Zirconia
All of these
Both A and B
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Question # 21
The dimensions of velocity are
Choose an answer
[ LT ]
[ LT
2
]
[ LT
-1
]
[ LT
-2
]
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Question # 22
Who gave the corpuscular nature of light
Choose an answer
Einstein
Newton
Maxwell
Thomas young
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