The portion of the visible spectrum that appears brightest to the human eye is around 562 nm in wavelength, which corresponds to yellow-green. the speed of light is 3 × 108 m/s. what is the frequency of 562 nm light? answers
The relationship between frequency and wavelength for electromagnetic waves is [tex]f= \frac{c}{\lambda} [/tex] where f is the frequency c is the speed of light [tex]\lambda[/tex] is the wavelength
The light in our problem has a wavelength of [tex]\lambda=562 nm=5.62 \cdot 10^{-7} m[/tex] so its frequency is (using the previous equation) [tex]f= \frac{c}{\lambda}= \frac{3 \cdot 10^8 m/s}{5.62 \cdot 10^{-7}m} =5.34 \cdot 10^{14} Hz [/tex]
