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पाठ्यक्रम

In which case is electron emission from a metal not known? -

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प्रश्न

In which case is electron emission from a metal not known?

विकल्प

  • Illuminating a metal surface with suitable light

  • Applying a very strong electric field to a metal

  • Applying a very strong magnetic field to a metal

  • Heating the metal sufficiently

MCQ

उत्तर

Applying a very strong magnetic field to a metal.

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Electron Emission
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