Question

A watch repairer uses a magnifying glass to see the tiny parts of a watch. Which of the following lenses is used?

• A. Concave lens
• B. Convex lens
• C. Plane mirror
• D. Concave mirror

Hint:

Convex lenses are used in magnifying glasses because they produce a magnified image of objects placed within their focal length.

Answer 1

The Correct Option is B

Step 1: Type of lens used for magnification.
A magnifying glass is typically a convex lens. It is used to magnify small objects, as it converges light rays and creates an enlarged image when the object is placed within the focal length. Step 2: Conclusion.
Hence, the watch repairer uses a convex lens to magnify the tiny parts of the watch.