Question

The distance between 4th and 3rd orbit of helium is

Answer 1

Answer:

Explanation:

d3 = 0.529 x n2/z x 10-10 m = 0.529 x 9 x 10-10 m

d2 = 0.529 x 4 x 10-10 m

d3 – d2 = 0.529 x 5 x 10-10 m

= 2.645 x 10-10 m is the distance between the 2nd the 3rd orbits.