In order to get the frequency of this light you have to divide the speed of light by the wavelength.
The formula: [tex]F = c / w [/tex]
Set the values in the appropriate form:[tex]740nm = 7.40e-9m [/tex]
Solution:
[tex] 3.00e8m/s : 7.40e-9m
F = 6.38e16Hz[/tex]
The answer: = 63.8PHz
