The wavelength of light from a given sources is 6000 Å . The wavelength of this light when it travels through a medium of refractive index 1.5 is

The wavelength of light in vacuum is lambda . The wavelength of light in a medium of refractive index n will be

If the wavelength of light in vacuum be lambda , the wavelength in a medium of refractive index n will be

If the wavelength of light in vacuum be lambda , the wavelength in a medium of refractive index n will be

The refractive index of a certain glass is 1.5 for light whose wavelength in vacuum is 6000 Å. The wavelength of this light when it passes through glass is

The refractive index of certain glass is 1.5 for light whose wavelength in vacuum is 6000Å . The wavelength of this light when it passes through glass is:

A light has a wavelength 6000Å. The energy of this light is