What Is the Wavelength of Light Emitted When an Electron

Multiple Choice

What is the wavelength of light emitted when an electron in a hydrogen atom undergoes a transition from energy level n = 6 to level n = 1? (c = 3.00 × 10⁸ m/s,h = 6.63 × 10^-34 J·s,R_H = 2.179 × 10^-18 J)

A) 9.39 × 10^-8 kJ/mol
B) 7.06 × 10^-27 kJ/mol
C) 1.07 × 10⁷ kJ/mol
D) 2.12 × 10^-18 kJ/mol
E) 3.2 × 10¹⁵ kJ/mol