What Is the Wavelength of Radiation That Has a Frequency

Multiple Choice

What is the wavelength of radiation that has a frequency of 6.912 × 10¹⁴ s^-1? (c = 3.00 × 10⁸ m/s)

A) 1.447 × 10^-15 nm
B) 4.337 × 10² nm
C) 2.304 × 10⁶ nm
D) 2.074 × 10²³ nm
E) 4.337 × 10^-7 nm