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प्रश्न
Are all the radiations viz. α, β and γ emitted in a single radioactive decay?
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उत्तर
All the above radiations are not emitted in a single decay. There will be either an α emission or a β emission, which may be accompanied by γ-emission.
संबंधित प्रश्न
Answer the following questions based on a hot cathode ray tube.
What will happen to the beam when it passes through the electric field?
Under which conditions does the nucleus of an atom tend to radioactive?
Complete the diagram as given above by drawing the deflection of radioactive radiations in an electric field
Define bound electrons.
What do you mean by electron emission?
State three common properties of beta rays and cathode rays.
State three ways of obtaining an electron-beam.
Unit of radioactivity is _______
The mean lives of a radioactive substance are 1620 and 405 years for β-emission and β-emission respectively. The time after which three fourth of a sample will decay if it is decaying both by β-emission and β-emission simultaneously will be ______ years.
(Take ln 2 = 0.693)
Complete the following radioactive reaction:
\[\ce{^-_-X -> ^-_-Y + ^4_2He -> ^234_91Z + ^0_-1e}\]
