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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.
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.
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संबंधित प्रश्न
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