Advertisements
Advertisements
Question
What is the composition of α, β and γ radiations?
Solution
Alpha radiations are composed two protons and two neutrons. Beta particles are fast moving electrons. Gamma radiations are photons or electromagnetic waves like X-rays.
APPEARS IN
RELATED QUESTIONS
A radioactive source emits three types of radiations.
Name the three radiations.
Explain why alpha and beta particles are deflected in an electric or a magnetic field, but gamma rays are not deflected in such a field.
Is it possible to deflect γ - radiations in a way similar to α and β -particles, using the electric or magnetic field? Give reasons.
State following four properties each of α, β and γ radiations:
- Nature,
- Charge,
- Mass and
- Effect of electric field.
Arrange the α, β, and γ radiation in ascending order of their biological damage. Give reason.
A radioactive substance emits radiations ______.
Compare the penetrating powers of α, β and γ-radiations.
What are α-and β-radiations?
A beam of α, β and γ rays is travelling through a certain region in space.
- Arrange them in ascending order of ionising power.
- Which of the above will pass undeviated if subjected to an electric field?
- With respect to your answer to part (b) above, what will be the change in the nucleus of an atom after such a ray is emitted.
Arrange the α, β and γ radiations in ascending order of their penetrating power.
