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Chapter 18 Atomic and Nuclear Physics-18
1.
Which radioisotope can be used for the diagnosis of brain tumour?
a) Carbon-14
b) Cobalt-60
c) Phosphorous-32
d) Iodine-131
2.
What is the use of radioactive tracers in industry?
a) To explore the metabolism of chemical reactions
b) To locate wear and tear of the moving parts of the machinery
c) To explore the metabolism of physical reactions
d) For curing various diseases
3.
What is the use of phosphorous-32?
a) For the location of leaks in underground pipes
b) Diagnosis of brain tumour
c) For curing various diseases in nuclear medicines
d) Monitoring of thyroid functioning
4.
What is the use of iodine-131?
a) For the location of leaks in underground pipes
b) Which radioisotope can be used as a tracer to find out how well the
c) Monitoring of thyroid functioning
d) Diagnosis of brain tumour
e) For curing various diseases in nuclear medicines
5.
plants are absorbing the phosphate fertilizer?
a) Phosphorous-32
b) Cobalt-60
c) Iodine-131
d) Carbon-14
6.
Which radioisotope can be used for curing cancerous tumours?
a) Cobalt-60
b) Iodine-131
c) Phosphorous-32
d) Carbon-14
7.
Which radioisotope can be used for curing cancerous cells?
a) Iodine-131
b) Carbon-14
c) Phosphorous-32
d) Cobalt-60
8.
Which radioisotope is present in small amount in the atmosphere?
a) Phosphorous-32
b) Iodine-131
c) Carbon-14
d) Cobalt-60
9.
The reason carbon-dating works is that…………..?
a) There is so much non-radioactive carbon dioxide in the air
b) When plants or animals die, they absorb fresh carbon -14
c) After a plant or animal dies, it stops taking in fresh carbon-14
d) Plants and animals are such strong emitters of carbon-14
10.
Which radioisotope present inside the plant starts decaying, when a tree dies?
a) Iodine-131
b) Phosphorous-32
c) Carbon-14
d) Cobalt-60
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