Advertisements
Advertisements
प्रश्न
Complete the following radioactive reaction:
\[\ce{^-_-X -> ^-_-Y + ^4_2He -> ^234_91Z + ^0_-1e}\]
Advertisements
उत्तर
\[\ce{^\underline{238}_\underline{92}X -> ^\underline{234}_\underline{90}Y + ^4_2He -> ^234_91Z + ^0_-1e}\]
APPEARS IN
संबंधित प्रश्न
When does the nucleus of an atom tend to become radioactive?
A radioactive substance is oxidized. Will there be any change in the nature its radioactivity? Give a reason for your answer
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?
What do you mean by electron emission?
In a cathode ray tube state the purpose of covering cathode by thorium and carbon.
Name a common device where a hot cathode ray tube is used.
What is meant by Radioactivity?
Explain, why radium paint, consisting of zinc sulphide and a trace of radium salt, glows in the dark?
State three ways of obtaining an electron-beam.
Which type of radioactive emission is strongly ionising in nature?
