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Online Tests
Physics Fsc Part 2 Chapter 10 Online Test MCQs With Answers
Question # 1
The dead time of G.M tube is.
Choose an answer
10
-1
sec
10
-6
sec
10
-4
sec
10
-8
sec
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Question # 2
When nitrogen is bombarded by alpha particles nitrogen nucleus changes into
Choose an answer
Oxygen
Carbon
Barium
Helium
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Question # 3
The charge number of Ba is.
Choose an answer
197
141
56
85
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Question # 4
Energy released by conversion of 1 amu is
Choose an answer
200 MeV
931 MeV
233 MeV
243 MeV
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Question # 5
A particles equal or greater in mass than of protons are called.
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Baryons
Leptons
Mesons
Quarks
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Question # 6
Rutherford performed on experiment on a nuclear reaction in:
Choose an answer
1921
1981
1927
1932
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Question # 7
How many neutrons are there in the nuclide Zn
66
?
Choose an answer
22
30
36
66
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Question # 8
amu =
Choose an answer
1.06 x 10
-27
kg
1.6606 x 10
-27
kg
1.520 x 10
-21
kg
1.6606 x 10
-31
kg
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Question # 9
The energy of photon for photoelectric effect is less than
Choose an answer
1 MeV
2 MeV
5 MeV
8 MeV
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Question # 10
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 # 11
Unit of decay constant
λ is:
Choose an answer
ms
m
-1
m
S
-1
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Question # 12
Which particle has larger range in air.
Choose an answer
Alpha rays
Gama rays
Beta rays
Neutron
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Question # 13
Which of the following is typical source of alpha particle.
Choose an answer
Strontium -94
Radon -222
Cobalt -60
Zic sulphate
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Question # 14
The number of Neutron is
238
U
92
is
Choose an answer
92
238
146
330
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Question # 15
What is difference is isotopes
Choose an answer
Number of protons
Number of neutrons
Number of electrons
Charge number
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Question # 16
The unit of radioactivity is:
Choose an answer
Bequerel
Henry
Pascal
Joule
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Question # 17
Which pair belongs to hadrons.
Choose an answer
Protons and Neutrons
Neutrons and electrons
Photons and electrons
positrons and electrons
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Question # 18
In Wilson cloud chamber, ß-particles leave
Choose an answer
Thin and continuous tracks
Thick and continuous tracks
No tracks
Thin and discontinuous tracks
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