19 The electron in the hydrogen atom jumps from excited state n 3 to its ground state n 1 and the photons thus emitted irradiate

Question

19 The electron in the hydrogen atom jumps from excited state n 3 to its ground state n 1 and the photons thus emitted irradiate a photosensitive material If the work function of the material is 5 1 eV the stopping potential is estimated to be the energy of the electron in th state En 1 5 1 V 13 6 eV n AIPMT Mains 2010 2 12 1 V 18711

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