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प्रश्न
Arrange α, β, and γ rays in ascending order with respect to their
1) Penetrating power.
2) Ionising power
3) Biological effect
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उत्तर
| Minimum | More | Maximum | |
| (i) Penetrating power | α | β | γ |
| (ii) Ionising power | γ | β | α |
| (iii) Biological effect | α | β | γ |
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संबंधित प्रश्न
Answer the following questions based on a hot cathode ray tube.
What will happen to the beam when it passes through the electric field?
How can they be made to leave the metal surface? (State any two ways)
Why is a cathode ray tube evacuated to a low pressure?
What do you mean by Mass number.
What kind of change takes place in a nucleus when a β -particle is emitted?
In following fig. shows a mixed source S of alpha and beta particles in a thick lead container. The particles pass through a magnetic field in a direction perpendicular to the plane of paper (inwards as shown by x). State and show in the diagram how the particles get affected.
A certain nucleus A (mass number 238 and atomic number 92) is radioactive and becomes a nucleus B (mass number 234 and atomic number 90) by the loss of one particle.
What particle was emitted?
During the emission of a beta particle, the ______ number remains same.
The half-life of a radioactive nuclide is 100 hours. The fraction of original activity that will remain after 150 hours would be ______.
Complete the following radioactive reaction:
\[\ce{^-_-X -> ^-_-Y + ^4_2He -> ^234_91Z + ^0_-1e}\]
