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Online Tests
Physics Fsc Part 2 Chapter 10 Online Test MCQs With Answers
Question # 1
Cosmic rays consist of
Choose an answer
Protons
High energy photons
Positron
All of above
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Question # 2
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 # 3
The unit of radioactivity is:
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Bequerel
Henry
Pascal
Joule
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Question # 4
Half life of radon gas is
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3.8 minutes
3.8 days
3.8 months
3.8 years
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Question # 5
Various types of cancer are treated by
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Carbon -14
Nickel -63
Cobalt -60
Strontium -90
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Question # 6
Unit of decay constant
λ is:
Choose an answer
ms
m
-1
m
S
-1
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Question # 7
The types of quacks are.
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2
3
4
6
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Question # 8
By emitting Beta particle and gama particle simultaneously the nucleolus changes in its charges by
Choose an answer
N
N/2
N/4
3N/4
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Question # 9
1 amu is equal to
Choose an answer
1.0606 x 10
-27
kg
1.66 x 10
-31
kg
1.66 x 10
-34
kg
1.66 x 10
-19
kg
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Question # 10
Unit of decay constant
λ is:
Choose an answer
ms
m
-1
m
S
-1
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Question # 11
Bottom quark carries charge :
Choose an answer
2/3 e
-2/3 e
+1/3 e
-1 /3 e
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Question # 12
How many neutrons are there in the nuclide Zn
66
?
Choose an answer
22
30
36
66
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Question # 13
Binding energy per nucleus for uranium is above:
Choose an answer
6.7 Mev
7.7 Mev
6.9 MeV
7.9 MeV
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Question # 14
The activity of radioactive sample
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Is constant
Increases with time
Decreases linearly with time
Decreases exponentially with time
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Question # 15
Iodine -131 is used for the treatment by
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Bones
Eyes
thyroid glands
Lungs
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Question # 16
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 # 17
A pair of quark and anti quark makes a.
Choose an answer
Meason
harden
Lapton
Baryon
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Question # 18
Two down and one up quarks make
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Proton
Neutron
photon
Positron
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