What Is the Frequency of Light (S^{- 1}) That

Multiple Choice

What is the frequency of light (s^{- 1}) that has a wavelength of 3.12 × 10^{- 3} cm ?

A) 1.04 × 10^{- 13}
B) 4.10 × 10^{- 17}
C) 9.62 × 10¹²
D) 2.44 × 10¹⁶
E) 3.69