Frequency Versus Wavelength

Most recent answer: 02/23/2008

How would I calculate the frequency of a Ruby Laser knowing the wavelength is .6943 micro m
- Dave (age 54)
Mtn. Home, Idaho

The relationship is given by f = c / lambda where f is the frequency, lambda is the wavelength and c is the speed of light, 3x10⁸_{meters/second. Plugging in 0.6943 x 10^-6m you get
f = 4.32 x 10¹⁴ Hz. That's a whole bunch, not even dogs can hear it.

LeeH}