physical science
posted by Sarah .
the speed of light is 3*10^8 m/s. Red light has a wavelength of 7 * 10^7 m. What is its frequency?

f*wavelength=speed
calculate f
posted by Sarah .
the speed of light is 3*10^8 m/s. Red light has a wavelength of 7 * 10^7 m. What is its frequency?
f*wavelength=speed
calculate f