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प्रश्न
A radioactive substance is oxidized. What changes would you expect to take place in the nature of radioactivity? Explain your answer.
उत्तर
There will be no change in the nature of radioactivity. This is because radioactivity is a nuclear phenomenon.
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संबंधित प्रश्न
Answer the following questions based on a hot cathode ray tube.
State the approximate voltage used to heat the filament
Why do Free electrons not leave the metal surface on their own
Arrange α, β, and γ rays in ascending order with respect to their
1) Penetrating power.
2) Ionising power
3) Biological effect
State the energy conversion taking place in a cathode ray tube
What are isobars?
What do you mean by Atomic number
Justify with reason, whether the following nuclear reactions are allowed or not.
\[\ce{^A_Z X -> ^A_{Z + 1}Y + ^0_{-1}β}\]
The half-life of a radioactive nuclide is 100 hours. The fraction of original activity that will remain after 150 hours would be ______.
A radioactive material decays by simultaneous emissions of two particles with half-lives of 1400 years and 700 years respectively. What will be the time after which one-third of the material remains? (Take In3 = 1.1)
The activity of a certain radionuclide decreases to 15 percent of its original value in 10 days. What is its half life?
[ln (0.15) = -1.9]
