Question

on the basis of Bohr's model the radius of the third orbit is

Answer 1

Hi friends radius of third orbital is
0.529×9angstm=
4.761angtm

Answer 2

Answer

Bohr radius of hydrogen atom  is first orbit in hydrogen atom  

and we know

r=a  0  n ^ 2 /z

So r  3  /r  1 =3^ 2 /1^  2  =9/1

or r  3  =9r  1

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