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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.
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संबंधित प्रश्न
What are free electrons?
Represent the change in the nucleus of a radioactive element when a β particle is emitted.
Radiations given out from a source when subjected to an electric field in a direction perpendicular to their path are shown below in the diagram. The arrows show the path of the radiation A, B and C. Answer the following questions in terms of A, B and C.
1) Name the radiation B which is unaffected by the electrostatic field.
2) Why does the radiation C deflect more than A?
3) Which among the three causes the least biological damage externally.
4) Name the radiation which is used in carbon dating.
What is meant by radioactivity?
State three safety precautions that you would take while handling the radioactive substances.
From α, β and γ-rays, name the one which travels with the speed of light?
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 ______.
In U238 ore containing Uranium the ratio of U234 to Pb206 nuclei is 3. Assuming that all the lead present in the ore is final stable product of U238. Half life of U238 to be 4.5 × 109 years and the age of ore is ______ × 109 years. (in 109 years)
