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2X(4) of these13. I the total energy of an electron in a hydrogenatom in an exicted state is -3.4 eV, then the de-broglie wavelength of the electron is :-(1) 7.2 x 10-10 m(2) 3 x 10-10 m(3) 5 x 10-9 m(4) 9.3 x 10-12 m |
Answer» n=22πr=2∆∆de=3.14×0.529×4A°option 1 is correct |
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