In the ray diagram shown here, calculate the speed of light in the liquid of unknown refractive index.

(i) Define refractive index of a medium. (ii) In the following ray diagram, calculate the speed of light in the liquid of unknown refractive index.

The speed of light in a medium of refractive index 1.5 is ________.

In the figure shown, the angle made by the light ray with the normal in the medium of refractive index sqrt2 is

In the figure shown, the angle made by the light ray with the normal in the medium of refractive index sqrt2 is

The wavelength of a monochromatic light in a liquid of refractive index 1.4, is 400 nm. Calculate the wavelength of this light in a glass of refractive index 1.6