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प्रश्न
Compare the ionising powers of α, β and γ radiations.
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उत्तर
The ionising power of α-radiation is nearly 100 times that of β radiations and nearly 10,000 times that of γ-radiations.
संबंधित प्रश्न
In following Figure shows a radioactive source S in a thick lead walled container having a narrow opening. The radiations pass through an electric field between the plates A and B.
- Complete the diagram to show the paths of α, β and γ radiations.
- Why is the source S kept in a thick lead walled container with a narrow opening?
- Name the radiation which is unaffected by the electrostatic field.
- Which radiation is defleced the most. Given reason.
- Which among the three radiations causes the least biological damage?
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.
State the speed of each of α, β and γ radiations.
Arrange the α, β, and γ radiation in ascending order of their biological damage. Give reason.
Compare the penetrating powers of α, β and γ-radiations.
What are α-and β-radiations?
The figure shows a radioactive source S placed in a thick-walled lead container. The radiations given off pass through a magnetic field acting in direction perpendicular to the plane of paper inwards as shown by X. Copy the diagram and show the path of radiations. Explain why the source is kept in a thick-walled lead container.
Which nuclear radiation will travel undeviated in an electric field?
Arrange the α, β and γ radiations in ascending order of their penetrating power.
