Question

this diagram is an example of a room sized camera called
select one
a darkroom
b cyanotype
c camera obscura
d daguerreotypes

Explanation:

A camera obscura is a room - sized or box - sized device that projects an inverted image of the outside scene through a small hole. A darkroom is a place for developing photos. Cyanotype is a photographic printing process. Daguerreotypes are an early form of photography. The described room - sized camera is a camera obscura.

Answer:

C. Camera obscura