SSC MTS EXAM

Detailed explanation-1: -Explanation: Convex Lenses are used in projectors so as to get a magnified image of the object to be shown on Screen.

Detailed explanation-2: -A projector is an optical device that can magnify images and obtain them on a screen in the magnified form. To obtain these characteristics, we need a lens that can magnify the objects as well as form real images which can be obtained on a screen. Convex lens has the property of converging light rays incident on it.

Detailed explanation-3: -An overhead projector uses a convex lens. Convex lenses can form real images, and concave lenses cannot form real images that can be produced onto a screen.