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?
•x
A
spotlights
B
movie projectors
必x
C
corrective eyeglass lenses
4x
D
flashlights and binoculars

Answer 1

A convex lens is commonly used in various optical devices to focus light. Among the options provided, the most likely item that uses a convex lens to perform its typical function is:

A - spotlights.

Spotlights use convex lenses to concentrate and focus light, allowing for directed illumination. While movie projectors and corrective eyeglass lenses also use lenses, their designs can involve a combination of lens types. However, in the context of focusing light specifically, spotlights are the most appropriate choice.