Determine the final end (final) value of n in a hydrogen atom transition, if electron starts in n = 1 and the atom absorbs a photon of light with an energy of 2.044 X 10^-18J?

A) 3
B) 4
C) 2
D) 6
E) 5

2 answers

E = 2.180E-18 x (1/1 - 1/x)
Solve for x.
can someone show work for this problem ?