Which of the following phenomena happens because refractive index varies with wavelength? |
A lens focuses light
A prism brakes sunlight into different colors Total internal reflection ensures that light travels down a fiber optic cable Light rays entering a pond change direction at the pond’s surface |
A prism brakes sunlight into different colors |
$\text{Dispersion is due to variation of refractive index with wavelength. } \mu_v > \mu_r$ |