The radius of the innermost electron orbit of a hydrogen atom is 5.3×10 –11 m. The radius of the n =3 orbit is
(i) 1.01 x 10 -10 m
(ii) 1.59 X 10 -10 m
(iii) 2.12 x 10 -10 m
(iv) 4.77 X 10 -10 m
Answer:
(iv) 4.77 X 10 -10 m
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