Advertisements
Advertisements
प्रश्न
What are the uses of radioactive isotopes in following?
(a) Medical field,
(b) Agriculture,
(c) Industries?
Advertisements
उत्तर
Radioactive isotopes are used in medical fieId
(i) Rays from Radium produce satisfactorily improvement in skin diseases.
(ii) Radiation from Co60 is used in cancer treatment.
(iii) Radio I131 is used to diagnose and treat thyroid di so rde rs.
Radioactive isotopes are used in agriculture
(i) Radioactive Phosphorus p32 is used in the study of metabolism.
(ii) Radioactive Sulphur S35 helps to study advantages and disadvantages of
fungicides.
(iii) Pests and insects can be killed by Y-rad iatio n.
Radioactive isotopes are used in ind us try.
(i) In manufacturing papers, plastic and metal sheets to control the thickness of the sheets.
(ii) Radioisotopes can be used to es ti mate the amount of wear in bearings.
(iii) Radioisotopes can be used to detect crack in welding, casting etc.
APPEARS IN
संबंधित प्रश्न
Name the radiations which are absorbed by greenhouse gases in the earth’s atmosphere.
Name the unit in which the work function of a metal is expressed.
State any two precautions to be taken while handling radioactive substances.
What do you mean by Atomic mass?
What happens to the position of an element in the periodic table when it emits an alpha particle
Justify with reason, whether the following nuclear reactions are allowed or not.
\[\ce{^A_Z X -> ^A_{Z + 1}Y + ^0_{-1}β}\]
An electrons emitter must have how much work function and melting point.
The count rate of activity of a radioactive sample of a very large population decreased from 1024 to 128 in 3 minutes. Then the rate of disintegration at the end of 5 minutes is ______.
Calculate the time interval between 33% decay and 67% decay if half-life of a substance is 20 minutes.
Which of the following correctly describes the properties of an alpha particle?
