In: Physics
One photon of a certain light has an energy of 3.8e-19J.
Calculate the wavelength of the light.
195.511e-9 m
521.053e-9 m
594.752e-9 m
260.699e-9 m
900.776e-9 m
The refractive index of a certain medium is 1.21.
Calculate the speed of light in the medium.
4.411e8 m ⁄ s
4.693e8 m ⁄ s
1.955e8 m ⁄ s
2.479e8 m ⁄ s
3.985e8 m ⁄ s