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Chapter 18 Atomic and Nuclear Physics-23
1.
Which of the following radiations are produced by carbon transmutation?
a) β & γ
b) α, γ
c) β
d) α, β
2.
What is the half-life of 146C?
a) 12.3 days
b) 7.1 minutes
c) 5730 years
d) 12.3 years
3.
Which of the following element has half-life of 5730 years?
a) Cobalt
b) Iodine
c) Hydrogen
d) Carbon
4.
What is the half-life of cobalt?
a) 30 years
b) 12.3 years
c) 7.1 minutes
d) 12.3 days
5.
Which of the following radiations are produced by cobalt transmutation?
a) α, β
b) α & γ
c) β & γ
d) β
6.
What is the half-life of 6027Co?
a) 7.1 minutes
b) 12.3 years
c) 12.3 days
d) 30 years
7.
Which of the following element has half-life of 30 years?
a) Carbon
b) Hydrogen
c) Iodine
d) Cobalt
8.
What is the half-life of iodine?
a) 8.07 days
b) 7.1 minutes
c) 12.3 days
d) 12.3 years
9.
What is the half-life of 131
53
I?
a) 12.3 days
b) 7.1 minutes
c) 8.07 days
d) 12.3 years
10.
Which of the following radiations are produced by iodine transmutation?
a) α & γ
b) β & γ
c) α, β
d) β
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