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प्रश्न
When does the nucleus of an atom tend to become radioactive?
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उत्तर
When the number of neutrons exceeds much than the number of protons in a nuclei, it become unstable or radioactive.
संबंधित प्रश्न
A radioactive substance is oxidized. Will there be any change in the nature its radioactivity? Give a reason for your answer
Under which conditions does the nucleus of an atom tend to radioactive?
Name the unit in which the work function of a metal is expressed.
What is meant by radioactivity?
Give a scientific explanation.
When the radiation coming out from a certain radioactive substance is passed through an electric field, marks are found at three places on the photographic plate placed in its path.
State the penetrating range of α, β and γ radiations.
An electrons emitter must have how much work function and melting point.
What is the value of the speed of gamma radiations in air or vacuum?
State three ways of obtaining an electron-beam.
When an α-particle of mass m moving with velocity ν bombards on a heavy nucleus of charge Ze, its distance of closest approach from the nucleus depends on m as:
