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Chapter 21 - Nuclear Physics - 5
1.
The
g
-rays radiographs are used in:
a) Agricultural industry
b) All of above
c) Support industry
d) Medical industry
2.
The Nobel Prize was conferred on Glashow, Vienberg and Abdus Salam in:
a) 1978
b) 1975
c) 1977
d) 1979
3.
Subatomic particles are divided into:
a) Three groups
b) Two groups
c) Four groups
d) Infinite groups
4.
Giegar Counter
a) Long range force
b) Basic building blocks of matter
c) Laptons
d) Short range force
5.
Typical source of
a
-particle
a) Controlled chain reaction
b) Short range force
c) Charge number of nucleus increases by one
d) Medicine and agricultural
6.
Emission of
b
-particle
a) Basic building blocks of matter
b) Energy produced in sun
c) Short range force
d) Long range force
7.
Phenomena of radioactivity
a) 3.7x10
10
disintegration per second
b) Energy produced in sun
c) Radon-222
d) Cracks or cavities in castings or pipes
8.
Half life of radioactive material
a) Long range force
b) Basic building blocks of matter
c) Henri Becqueral
d) Laptons
9.
Nuclear reactor
a) Medicine and agricultural
b) Energy produced in sun
c) Cracks or cavities in castings or pipes
d) Controlled chain reaction
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