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प्रश्न
Represent the change in the nucleus of a radioactive element when a β particle is emitted.
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उत्तर
In an unstable nucleus, the neutron is changed into a proton by emitting a beta particle. This is represented as
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संबंधित प्रश्न
In a cathode ray tube state:
(i) the purpose of covering cathode by thorium and carbon.
(ii) the purpose of the fluorescent screen.
(iii) how is it possible to increase the rate of emission of electrons.
Give one example of isobars.
What is nucleus of an atom? Compare its size with that of the atom. Name its constitutents. How is the number of these constituents determined by the atomic number its atomic model.
A radioactive source emits three types of radiations.
Name the radiation which has the highest ionizing power.
Define bound electrons.
Define free electrons.
What is meant by Radioactivity?
Name the Different Radiations Which Are Emitted by the Radioactive Substances.
Are all the radiations mentioned by you, emitted in a single radioactive decay?
State three common properties of beta rays and cathode rays.
In the following atoms, which one is a radioisotope? Give one use of this isotope.
O16, C14, N14, He4
