Step-by-step explanation:
We have,
The wavelength of yellow light, [tex]\lambda=5.8\times 10^{-7}\ m[/tex]
Frequency of yellow light, [tex]f=5.17\times 10^{-14}\ Hz[/tex]
It is assumed to find the speed of light in the yellow light.
The speed of a wave is given in terms of wavelength and frequency as :
[tex]v=f\lambda\\\\v=5.17\times 10^{-14}\times 5.8\times 10^{-7}\\\\v=2.99\times 10^{-20}\ m/s[/tex]
So, the speed of light in a shade of yellow light is [tex]2.99\times 10^{-20}\ m/s[/tex].