Question

Determine the frequency of light with a wavelength of 4.257x10^-7cm

Answer 1

frequency of light is
`70.47* 10^(15) \ per\ second`

Step-by-step explanation:

Given

wavelength of light =
`4.257* 10^(-7)\ cm = 4.257* 10^(-7) * 10^(-2) \ m= 4.257* 10^(-9)\ m`

Speed of Light =
`3* 10^8 \ m/s`

∴ Frequency of Light =
`\frac{\textrm{Speed of Light}}{\textrm{wavelength}}=(3* 10^8)/(4.257* 10^(-9))= 70.47* 10^(15) \ per\ second`