A surface which reflects light is called __________.

The phenomena of returning of light rays that fall on a smooth surface

_________ object absorbs all colours

The scientist who proved the difference of light in different media

____________ prism is used to recombine the 7 colors to white light.

Who discovered that Sun light is composed of 7 colours

_____________ mirror has a reflecting surface

Plane Mirror forms __________ and erect image.

Which mirror is used as rear view mirror in caves

Image that can be formed on a screen