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प्रश्न
Mention four properties of Becquerel rays.
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उत्तर
The four properties of Becqueral rays are:
(i) They have penetrating power.
(ii) They affect a photographic plate.
(iii) They can ionize a gas or air through which they pass.
(iv) They are deflected by electric and magnetic fields.
संबंधित प्रश्न
Represent the change in the nucleus of a radioactive element when a β particle is emitted.
In the following fig. shows a radioactive source S in a thick lead container. The radiations pass through an electric field between the plates P and Q. Complete the diagram to show the paths of α , β and γ radiations.
Why is the source S placed in a thick lead container?
State three safety precautions that you would take while handling the radioactive substances.
Define free electrons.
In a cathode ray tube state. How is it possible to increase the rate of emission of electrons.
Are all the radiations viz. α, β and γ emitted in a single radioactive decay?
It is advised not to touch a radioactive substance by hand. Give reason.
Heavy radioactive elements eventually turn into ______.
A radioactive nucleus \[\ce{^A_ZX}\] undergoes spontaneous decay in the sequence \[\ce{^A_ZX -> _{Z-1 }B -> _{Z-3}C -> _{Z-2}D }\], where Z is the atomic number of element X. The possible decay particles in the sequence are ______.
Assertion (A): The force of repulsion between atomic nucleus and α-particle varies with distance according to inverse square law.
Reason (R): Rutherford did α-particles scattering experiment.
