F

Question

A convex lens is shown here. According to the model, a lens concentrates rays of light to a single focus point after passing through the lens. Which item below most likely uses a convex lens to perform its typical function?
A
spotlights
4x
movie projectors
C
corrective eyeglass lenses
D
flashlights and binoculars

Answer 1

A convex lens is designed to converge light rays to a single focus point, making it useful in various applications. Among the options provided, the item that most likely uses a convex lens to perform its typical function is:

C. corrective eyeglass lenses

Corrective eyeglass lenses are often made of convex lenses to help focus light correctly onto the retina for individuals who are farsighted (hyperopia). While movie projectors (B) and spotlights (A) can also use lenses, the primary and most common purpose of a convex lens is the correction of vision in eyeglasses.