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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
    Light of wavelength 180 nm ejects photoelectron from a plate of a metal whose work function is 2 eV. If a uniform magnetic field of \[5\times {{10}^{-5}}\] T is applied parallel to plate, what would be the radius (in metre) of the path followed by electrons ejected normally from the plate with maximum energy?

    Answer:

    0.149


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