The velocity of light is _______
The group of rays is ________
Rainbow formation is due to _____ water droplets
The path of light is _______
Velocity and wavelength of light are related by a relation
Violet and red light _______ wavelengths.
For air, the refractive index is
When a ray of light travels from one medium to another, it bends. This phenomenon
is called.
On a rainy day, small oily films on water show brilliant colours. This is due to
_______determines speed of light in a medium
A star appears twinkling in the sky because of ________ by the atmosphere.
We can see objects because of
Red light is used in traffic signals because
The splitting up of white light into colours is called
When light travels from rarer to denser medium, the refracted ray is _____ the
normal
When a beam of light is passed through a colloidal solution, the light will be