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प्रश्न
What is the composition of α, β and γ radiations?
उत्तर
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.
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संबंधित प्रश्न
A radioactive source emits three types of radiations.
Name the radiations which are deflected by the electric 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 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.
A radioactive substance emits radiations ______.
Compare the penetrating powers of α, β and γ-radiations.
Compare the ionising 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.
Arrange the α, β and γ radiations in ascending order of their penetrating power.
