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Chapter 18 Atomic and Nuclear Physics-24
1.
Which of the following element has half-life of 8.07 days?
a) Hydrogen
b) Iodine
c) Iodine
d) Carbon
2.
What is the half-life of lead?
a) 12.3 years
b) 7.1 minutes
c) 10.6 hours
d) 12.3 days
3.
What is the half-life of 21282Pb?
a) 12.3 days
b) 12.3 years
c) 10.6 hours
d) 7.1 minutes
4.
Which of the following element has half-life of 10.6 hours?
a) Lead
b) Hydrogen
c) Iodine
d) Carbon
5.
What is the half-life of polonium (mass number of 194)?
a) 12.3 years
b) 0.7 seconds
c) 12.3 days
d) 7.1 minutes
6.
Which of the following radiations are produced by polonium (mass number 194) transmutation?
a) α
b) β
c) α & γ
d) β & γ
7.
What is the half-life of 19484Po?
a) 0.7 seconds
b) 7.1 minutes
c) 12.3 days
d) 12.3 years
8.
Which of the following element has half-life of 0.7 seconds?
a) Hydrogen
b) Iodine
c) 19484Po
d) Carbon
9.
What is the half-life of polonium (mass number of 210)?
a) 12.3 years
b) 12.3 days
c) 138 days
d) 7.1 minutes
10.
Which of the following radiations are produced by lead transmutation?
a) β
b) α & γ
c) β & γ
d) α, β
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