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JEE Main & Advanced Physics Photo Electric Effect, X- Rays & Matter Waves Question Bank Numerical Value Type Questions - Dual Nature of Radiation and Matter

  • question_answer
    In a Frank - Hertz experiment, an electron of energy 5.6 eV passes through mercury vapour and emerges with an energy 0.7 eV. The minimum wavelength (in nm) of photons emitted by mercury atoms is

    Answer:

    250


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