For the Paschen series, the values of $n_1$ and $n_2$ in the expression $\Delta E = R h c \left( \frac{1}{n_1^2} - \frac{1}{n_2^2} \right)$ are:

• A
  $n_1 = 1, n_2 = 2, 3, 4 \dots$
• B
  $n_1 = 2, n_2 = 3, 4, 5 \dots$
• C
  $n_1 = 3, n_2 = 4, 5, 6 \dots$
• D
  $n_1 = 4, n_2 = 5, 6, 7 \dots$