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प्रश्न
Answer the following questions based on a hot cathode ray tube.
State the approximate voltage used to heat the filament
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उत्तर
The filament is heated by a filament connected to a low-tension battery of about 6 V.
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संबंधित प्रश्न
Give one example of isobars.
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State two characteristics of the substance used as thermionic emitter.
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Assertion (A): The force of repulsion between atomic nucleus and α-particle varies with distance according to inverse square law.
Reason (R): Rutherford did α-particles scattering experiment.
