The wavelength of the blue light given off by a mercury vapor street lamp is 436 nm. What is the frequency of this light in hertz (s⁻¹)?
A. 6.88 × 10⁵ s⁻¹
B. 6.88 × 10¹⁴ s⁻¹
C. 1.45 × 10⁻⁶ s⁻¹
D. 1.45 × 10⁻¹³ s⁻¹
E. 1.31 × 10² s⁻¹