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14.If the radius of the first Bohr orbit of the H atom is r, then radius of 2nd orbit of He+ is OPTIONS:A)3r B)9r C)2r D)r/9

Answer» 14.If the radius of the first Bohr orbit of the H atom is r, then radius of 2nd orbit of He+ is OPTIONS:A)3r B)9r C)2r D)r/9


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