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Online Tests
Ics Part 2 Physics Test Online MCQs With Answers
Question # 1
The radius of 10th orbit in hydrogen atom is.
Choose an answer
0.053 nm
0.53 nm
5.3 nm
53 nm
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Question # 2
The force of Neutron due to field of 10
2
N/C is.
Choose an answer
1.6 x 10
-17
N
1.6 x 10
-19
N
Zero
1.6 x 10
-21
N
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Question # 3
Kx -Xrays are produced due to transition of electron from.
Choose an answer
K to L shell
L to K shell
M to K shell
M to L shell
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Question # 4
The quantity of U in the naturally occurring uranium is.
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0.2%
0.3%
0.7%
0.4%
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Question # 5
Which type of impurity is to be added to a pure semi conductor crystal to provide holes.
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Monovalent
Trivalent
Tetravalent
Pentavalent
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Question # 6
The moderator used in a nuclear reactor
Choose an answer
Sodium
Uranium
Graphite
Cadmium
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Question # 7
Energy stored in an inductor is:
Choose an answer
1/2L
2
I
1/2L
2
/I
1/2LI
2
1/2LI
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Question # 8
Energy of Black body radiation depends upon
Choose an answer
Nature of surface of body
Nature of material of body
Shape and size of body
Temperature of the body
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Question # 9
If current flowing through a solenoid becomes four times, then magnetic field inside becomes.
Choose an answer
two times
three times
four times
Half
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Question # 10
mho -m-1 is the unit of.
Choose an answer
Resistance
Resistivity
Conductance
Conductivity
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Question # 11
Subatomic particles are divided into groups.
Choose an answer
Photon
Laptons
Hadrons
All of these
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Question # 12
The electric potential at a mid point in an electric dipole is.
Choose an answer
0 V
0.5 V
1 V
1.5 V
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Question # 13
The curie temp for iron is about
Choose an answer
800
o
C
740
o
C
750
o
C
650
o
C
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Question # 14
Helium-Neon laser discharge tube contains neon
Choose an answer
82%
15%
25%
85%
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Question # 15
Pair production occurs only when energy of photon is at least equal in:
Choose an answer
1.02keV
1.02 eV
1.02 MeV
1.02 GeV
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Question # 16
The dimension of stress is
Choose an answer
[MLT
-1
]
[ML
-1
T]
[ML
-1
T
-1
]
[ML
-1
T
-2
]
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Question # 17
The SI unit of E is NC-1 and that of B is Na-1 m-1 then the unit of E/B is.
Choose an answer
ms-2
ms
ms
-1
m-1s-1
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Question # 18
Photo electrons are emitted y using visible light when the metal is.
Choose an answer
sodium
Copper
Nicked
Cobalt
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