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प्रश्न
What kind of change takes place in a nucleus when a β -particle is emitted?
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उत्तर
β particle is represented by -1e° after emitting a β particle atomic
number of element would increase by 1 unit and mass number of element would remain unchanged.
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संबंधित प्रश्न
State three factors on which the rate of emission of electrons from a metal surface depends
Name a gas caused by the Greenhouse effect
State two similarities and two dissimilarities between the γ-rays and X-rays.
What are the uses of radioactive isotopes in following?
(a) Medical field,
(b) Agriculture,
(c) Industries?
What are the types of emission?
State two characteristics of the substance used as thermionic emitter.
Justify with reason, whether the following nuclear reactions are allowed or not.
\[\ce{^A_Z X -> ^A_{Z + 1}Y + ^0_{-1}β}\]
Justify with reason, whether the following nuclear reactions are allowed or not.
\[\ce{^A_Z X -> ^A_{Z - 2}X + ^4_{2}He}\]
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(Take ln 2 = 0.693)
