What Is the Wavelength of a Monochromatic Light Beam,where the Photon

Multiple Choice

What is the wavelength of a monochromatic light beam,where the photon energy is 2.15 eV? (h = 6.63 × 10−³⁴ J⋅s,c = 3.00 × 10⁸ m/s,1 nm = 10−⁹ m,and 1 eV = 1.6 × 10−¹⁹ J)

A) 308 nm
B) 578 nm
C) 223 nm
D) 156 nm
E) ​475 nm