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Online Tests
Physics Fsc Part 2 Chapter 10 Online Test MCQs With Answers
Question # 1
The most useful tracer is.
Choose an answer
Strontium -90
Iodine -31
Cobalt -60
Carbon -14
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Question # 2
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 # 3
The building blocks of protons and neutrons are called.
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Ions
Electrons
Positrons
quarks
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Question # 4
The potential difference between the top and bottom of a cloud chamber is of the order of
Choose an answer
290 v
400 v
1 kv
None of above
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Question # 5
When a nucleus emits alpha particle its atomic mass decreases by
Choose an answer
1
2
3
4
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Question # 6
For workers in nuclear facilities is, a weekly does of is normally considered safe
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1.0 msv
5.0 msv
2.0 msv
3.0 msv
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Question # 7
The number of Isotopes of cesium are.
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4
32
22
36
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Question # 8
The most abundant isotope of neon is:
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Neon 21
Neon 20
Neon 22
None of above
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Question # 9
The binding energy per nucleon is maximum for
Choose an answer
Helium
Iron
Potassium
Radium
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Question # 10
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 # 11
Which of the following are not hadrons.
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Muons
Mesons
Positrons
Neutrons
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Question # 12
Binding energy for deuteron nucleus is given by
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2.8 MeV
2.23 MeV
2.28 MeV
2.25 MeV
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Question # 13
In nuclear radiation , track of alpha particle is.
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Thin
Discontinuous
Erratic
Continuous
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Question # 14
Unit of decay constant
λ is:
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ms
m
-1
m
S
-1
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Question # 15
The number of neutrons in Li are
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2
3
4
7
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Question # 16
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 # 17
The mass of proton in amu is:
Choose an answer
1.07276
1.7276
1.007276
1.0007276
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Question # 18
Cosmic rays consist of
Choose an answer
Protons
High energy photons
Positron
All of above
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