What is emulsion? a. a glue that holds together frames b. a greasy ink that attracts ink c. a light-sensitive liquid that hardens when exposed to light d. the act of placing a print in a sealer chemical e. the act of exposing a print to light

C. a light-sensitive liquid that hardens when exposed to light

Emulsion is a light-sensitive liquid that hardens when exposed to light.

Option C

Explanation:

A form of water based paint used for the purpose of painting walls. The paint is sensitive towards light exposure. It is also used in photography (films and plates). The paint contains minute crystals from a silver compound which is spread by way of a medium like gelatin or resin.

This paint is expensive to produce and gives of a subtle shine when exposed to any kind of light source, especially warm lights. The binding agent keeps the paint intact for a longer duration as well.