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प्रश्न
What happens to the mass number of an element when (i) an α -particle, (ii) a β -particle, and (iii) γ -radiation is emitted?
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उत्तर
- When an α particle is emitted mass number decreases by 4.
- When a β particle is emitted there is no change in the mass number.
- When a γ radiation is emitted there is no change in the mass number.
संबंधित प्रश्न
When does the nucleus of an atom tend to become radioactive?
Answer the following questions based on a hot cathode ray tube.
State the approximate voltage used to heat the filament
What are free electrons?
Name a gas caused by the Greenhouse effect
Give the relative ionizing power of α, β and γ radiations.
What happens to the atomic number of element when (i) An α -particle, (ii) A β -particle 1 and (iii) γ-radiation is emitted?
What do you understand by the term radioactivity?
State three common properties of beta rays and cathode rays.
Which of the following statements is/are correct?
- α particles are photons
- Penetrating power of γ radiation is very low
- Ionization power is maximum for α rays
- Penetrating power of γ radiation is very high
Heavy radioactive elements eventually turn into ______.
