An electromagnetic wave in a vacuum has a wavelength of 0.07 m. What is its frequency?
a. f = 3.0 • 108 m/s
b. f = 4.3 • 109 Hz
c. f = 3.0 • 109 Hz
d. f = 4.3 • 108 m/s
An electromagnetic wave in a vacuum has a wavelength of 0.07 m. What is its frequency?
a. f = 3.0 • 108 m/s
b. f = 4.3 • 109 Hz
c. f = 3.0 • 109 Hz
d. f = 4.3 • 108 m/s