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प्रश्न
Under which conditions does the nucleus of an atom tend to radioactive?
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उत्तर
The nucleus of an atom tends to be radioactive when the number of neutrons in the nucleus exceeds the number of protons inside it.
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संबंधित प्रश्न
State the energy conversion taking place in a cathode ray tube
Represent the change in the nucleus of a radioactive element when a β particle is emitted.
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.
What are the uses of radioactive isotopes in following?
(a) Medical field,
(b) Agriculture,
(c) Industries?
A radioactive substance is oxidized. What changes would you expect to take place in the nature of radioactivity? Explain your answer.
What are ‘Becquerel rays’?
From α, β and γ-rays, name the one which is not affected by electric or magnetic field?
What is the value of the speed of gamma radiations in air or vacuum?
Which statement about gamma decay is correct?
Which decay process involves the emission of a particle with a comparatively large mass and a positive charge?
