Advertisements
Advertisements
प्रश्न
A nucleus is \[\ce{^24_11 Na}\] β-radioactive.
Write the equation represent β-decay.
उत्तर
\[\ce {^24_11 Na -> ^24_12 Mg + ^0_-1 e}\]
APPEARS IN
संबंधित प्रश्न
How can they be made to leave the metal surface? (State any two ways)
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
When is said to be the nucleus unstable?
What do you mean by Mass number.
What are the uses of radioactive isotopes in following?
(a) Medical field,
(b) Agriculture,
(c) Industries?
State two characteristics of the substance used as thermionic emitter.
In a cathode ray tube state the purpose of the fluorescent screen.
Heavy radioactive elements eventually turn into ______.
Calculate the time interval between 33% decay and 67% decay if half-life of a substance is 20 minutes.
