12th Class Physics Photo Electric Effect, X- Rays & Matter Waves

  • question_answer 39)
      The wavelength of a photon needed to remove a proton from a nucleus which is bound to the nucleus with 1  energy is nearly (o) 1.2nm                            (b) 1.2 x 10-3 nm (c) 1.2 x 10-6 nm                (d) 1.2 x 101 nm

    Answer:

      (b)Energy or


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