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प्रश्न
In a cathode ray tube state the purpose of covering cathode by thorium and carbon.
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उत्तर
Purpose of covering cathode by thorium and carbon is to reduce its work function, decrease its melting point.
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संबंधित प्रश्न
Complete the diagram as given above by drawing the deflection of radioactive radiations in an electric field
What do you mean by Atomic mass
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