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प्रश्न
Arrange the α, β, and γ raditions in ascending order of their ionising powers.
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उत्तर
Ionising power of α particles is the most and of γ-radiations the least i.e. Ionising power.
α > β > (a) γ < β < γ
α-10000 times γ and 100 times β
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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).
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.
What is the composition of α, β and γ radiations?
A radioactive substance emits radiations ______.
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Which nuclear radiation will travel undeviated in an electric field?
Which of the following radiations suffer maximum deflection in a magnetic field?
Arrange the α, β and γ radiations in ascending order of their penetrating power.
