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प्रश्न
During the emission of a beta particle, the ______ number remains same.
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उत्तर
During the emission of a beta particle, the mass number remains same.
संबंधित प्रश्न
Why do Free electrons not leave the metal surface on their own
Why is a cathode ray tube evacuated to a low pressure?
A radioactive source emits three types of radiations. Name them.
(i) Name the radiations which are charged.
(ii) Name the radiations which are most penetrating.
(iii) Name the radiations which travel with the speed of light.
(iv) Name the radiations which have the largest mass.
In the following fig. shows a radioactive source S in a thick lead container. The radiations pass through an electric field between the plates P and Q. Complete the diagram to show the paths of α , β and γ radiations.
Why is the source S placed in a thick lead container?
What are the uses of radioactive isotopes in following?
(a) Medical field,
(b) Agriculture,
(c) Industries?
How is a cathode ray beam affected while passing through a magnetic field?
The half-life of a radioactive nuclide is 100 hours. The fraction of original activity that will remain after 150 hours would be ______.
Two radioactive sources A and B of half lives of 1 hour and 2 hours, respectively, initially contain the same number of radioactive atoms. At the end of two hours, their rates of disintegration are in the ratio of ______.
How does the ionising power of beta particles compare with that of alpha particles?
Which decay process involves the emission of a particle with a comparatively large mass and a positive charge?
