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प्रश्न
What is meant by Radioactivity?
उत्तर
Process of spontaneous emission of α or β and γ radiations from the nuclei of atoms during their decay.
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संबंधित प्रश्न
Write one use of cathode ray tube.
What do you mean by Atomic number
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What happens to the position of an element in the periodic table when it emits an alpha particle
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How is a zinc sulphide screen affected when a cathode ray beam strikes it?
Name a common device where a hot cathode ray tube is used.
From α, β and γ-rays, name the one which travels with the speed of light?
From α, β and γ-rays, name the one which is not affected by electric or 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 ______.
