The visual effect created by a camera obscura can occur in any room,whether it is light or dark.

Question

Quizplus · Accepted Answer

The camera obscura effect requires a darkened room with a small hole or aperture to let light in from outside; this allows an inverted image of the outside scene to be projected onto a surface inside the room. In a light room, the contrast and visibility of the projected image would be significantly reduced or non-existent.

The Visual Effect Created by a Camera Obscura Can Occur