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प्रश्न
What is the composition of α, β and γ radiations?
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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 three radiations.
A radioactive source emits three types of radiations.
Name the radiations which are deflected by the electric field.
The diagram in figure shows a radioactive source S placed in a thick lead walled container. The radiations given out are allowed to pass through a magnetic field. The magnetic field (shown as ×) acts perpendicular to the plane of paper inwards. Arrows shows the paths of the radiation A, B and C.
- Name the radiations labelled A, B and C.
- Explain clearly how you used the diagram to arrive at the answer in part (a).
Arrange the α, β, and γ raditions in ascending order of their ionising powers.
State the speed of each of α, β and γ radiations.
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?
Arrange the α, β and γ radiations in ascending order of their penetrating power.
