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प्रश्न
State three common properties of beta rays and cathode rays.
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उत्तर
(i) Beta rays and cathode rays both are composed of electrons.
(ii) Beta rays and cathode rays both are deflected by the electric and magnetic fields in the same direction.
(iii) Beta rays and cathode rays both ionise the gas through which they pass.
संबंधित प्रश्न
Under which conditions does the nucleus of an atom tend to radioactive?
Define bound electrons.
What are ‘Becquerel rays’?
A certain nucleus has a mass number 20 and atomic number 9. Find the number of neutrons and protons present in it.
Justify with reason, whether the following nuclear reactions are allowed or not.
\[\ce{^A_Z X -> ^A_{Z + 1}Y + ^0_{-1}β}\]
State one use of radio-isotopes.
State three ways of obtaining an electron-beam.
Mention four properties of Becquerel rays.
Complete the following radioactive reaction:
\[\ce{^-_-X -> ^-_-Y + ^4_2He -> ^234_91Z + ^0_-1e}\]
