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प्रश्न
Mention one important function of ear main parts:
State the principle on which the functioning of a nuclear reactor is based.
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उत्तर
(i) Electron gun gives out fine beam of electrons.
(ii) The deflecting system deflect electron beam in horizontal and vertical direction.
(iii) The fluorescent screen gives bright spot on stirking of electron.
संबंधित प्रश्न
Write one use of cathode ray tube.
What are isobars?
A radioactive substance is oxidized. What changes would you expect to take place in the nature of radioactivity? Explain your answer.
Define bound electrons.
Why are materials of low work function preferred as thermionic cathode materials?
In a cathode ray tube state. How is it possible to increase the rate of emission of electrons.
An electrons emitter must have how much work function and melting point.
Two radioactive nuclei are represented by xAp and yAq and when p and q are mass numbers and x, y are the atomic number. How can the products be represented, i .e., what are the new values of p, q. x and y after the emission of an α-particle and a β-particle from A and B respectively.
88Ra226 experiences three α - decay. Find the number of neutrons in the daughter element.
Which of the following correctly describes the properties of an alpha particle?
