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Online Tests
Physics Fsc Part 2 Chapter 10 Online Test MCQs With Answers
Question # 1
Two down and one up quarks make
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Proton
Neutron
photon
Positron
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Question # 2
The bnding energy for nucleus A is 7.7 Me V and that for nucleus B is 7.8 MeV. Which nucleus has the larger mass?
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Nucleas A
Nucleus B
Less than nucleus
None of these
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Question # 3
Binding energy per nucleus for uranium is above:
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6.7 Mev
7.7 Mev
6.9 MeV
7.9 MeV
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Question # 4
The mass spectrum of naturally occurring neon, showing
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1 isotope
2 isotope
3 isotope
4 isotope
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Question # 5
Mass of meason is
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Greater then proton
Less than proton
Equal to proton
Equal to neutron
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Question # 6
If the following particle have the same energy, which particle has the shortest wave length.
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alpha particle
Neutron
Beta particle
Proton
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Question # 7
The unit of radioactivity is:
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Bequerel
Henry
Pascal
Joule
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Question # 8
The charge on Beta particle is
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+e
-e
-2e
None of these
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Question # 9
Controlling rods inserted into the reactor are of metal:
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Aluminium
Cadmium
Magnesium
Copper
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Question # 10
Which one of the following is not affected by electric or magnetic field.
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Beta rays
Gama ryas
Alpha rays
Electron
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Question # 11
The number of neutron present in a nucleus in a given by
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N = A+Z
N = A- z
N = Z - A
N = A X Z
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Question # 12
Bottom quark carries charge :
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2/3 e
-2/3 e
+1/3 e
-1 /3 e
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Question # 13
Which particle has larger range in air.
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Alpha rays
Gama rays
Beta rays
Neutron
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Question # 14
Which pair belongs to hadrons.
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Protons and Neutrons
Neutrons and electrons
Photons and electrons
positrons and electrons
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Question # 15
There is no charge in A and Z of any radioactive element by the emission of.
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Alpha particle
Beta particle
Gama particle
X- rays
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Question # 16
How many neutrons are there in the nuclide Zn
66
?
Choose an answer
22
30
36
66
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Question # 17
Half life of Uranium -239 is
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26.5 minutes
24.5 minutes
25.5 minutes
23.5 minutes
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Question # 18
I amu =
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9.31 MeV
931 MeV
9.031 MeV
None of above
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Question # 19
The number of neutrons in Li are
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2
3
4
7
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Question # 20
Charge on an electron was determined by
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Ampere
Millikan
Maxwell
Bohr
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Question # 21
Two up quarks and one down quarks makes a
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Proton
Newton
Photon
Meson
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Question # 22
The force which is responsible for the breaking up of the radioactive element is.
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Weak nuclear force
Strong nuclear force
Electromagnetic force
Gravitational force
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