Question

If the radius of the first orbit of hydrogen atom is 5.29 × 10⁻¹¹
meter, the radius of the second orbit will be:
(a) 21.16 × 10⁻¹¹ metre
(b) 15.87 × 10⁻¹¹ metre
(c) 10.58 × 10⁻¹¹ metre
(d) 2.64 × 10⁻¹¹ metre

Answer 1

Answer:

21.16×10_11 option a

Explanation:

radius=square of n ×0

0.529nm