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प्रश्न
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उत्तर
Artificial radioactive substances can be produced by bombarding lighter nuclides with alpha particles, protons and neutron. The radioactive substances produces in this manner are called radioisotopes.
Radioisotopes can be used as:
(i) Rays from Radium produce satisfactorily improvement in skin diseases.
(ii) Radioactive Sulphur S35 helps to study advantages and disadvantages of fungicides.
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संबंधित प्रश्न
When does the nucleus of an atom tend to become radioactive?
A radioactive substance is oxidized. Will there be any change in the nature its radioactivity? Give a reason for your answer
Represent the change in the nucleus of a radioactive element when a β particle is emitted.
What are isobars?
Give the relative ionizing power of α, β and γ radiations.
A radioactive substance is oxidized. What changes would you expect to take place in the nature of radioactivity? Explain your answer.
What are the types of emission?
In a cathode ray tube state the purpose of covering cathode by thorium and carbon.
Are all the radiations viz. α, β and γ emitted in a single radioactive decay?
