Statement I: Lights of different colors travel with different speeds in vacuum.
Statement II: Speed of light depends on medium.

Assertion : Different colours travel with different speed in vacuum. Reason : Wavelength of light depends on refractive index of medium. [AIIMS 1998]

In vacuum speed of light depends upon

In vacuum, speed of light depends upon

In vacuum, speed of light depends upon

In vacuum the speed of light depends upon

Speed of light in a medium depends on