Question

Which of the following expressions represents the spectrum of Balmer series(if n is the principal quantum number of higher energy level) - A R(n-1)(n+1) v= n2 cm-1 B. R(n − 2)(n+2)cm-1 v= 4n2 C V = R(n − 2)(n+2)cm-1 n2 -1 D R(n-1)(n+1) v= 4n2 cm​

Answer 1

Answer:

your answer is 4 and 2 cm pls mark me