Electromagnetic Waves That Have a Wavelength of 300 M in Free

Multiple Choice

Electromagnetic waves that have a wavelength of 300 m in free space have a frequency of

A) 1 $\times$ 10^-3 Hz
B) 5 $\times$ 10⁵ Hz
C) 1 $\times$ 10⁶ Hz
D) 9 $\times$ 10⁶ Hz
E) 1 $\times$ 10¹¹ Hz