Question

In form of Rydberg's constant R, the wave no of this first Ballmer line is

Options

• R

• 3R/4

• 5R/36

• 8R/B

Answer 1

5R/36

Explanation:

From V = `R(1/n^2 - 1/n^2)`

For 1^st Ballmer line n₁ = 2, n₂ = 3

V = `R(1/22 - 1/32) = R xx 5/36`