Question

What is a converging lens?

Answer 1

Hint: A converging lens in air converges a collimated ray moving along the lens axis to the focal point at an f distance from the lens. It aims light to a point at the optical focus or pole of the lens. A lens that changes parallel rays of light to converging rays and produces an actual image.

Complete answer:
A converging lens focuses the diverging light rays from the object faraway by refracting the lights twice. On the front side of the lens, rays bent towards the normal because glass is a thicker medium than the air, and, at the backside, the rays bent away from the normal as rays pass from denser to rarer medium. This double bending makes the rays converge at a focal point behind the lens to see a sharper image. A double convex lens has a positive focal length. It causes exiting lights from the lens to be more converging coming out than they were entering into the lens. A converging lens can form an actual image or a virtual image of a real article.

First, the light rays bend towards the respective prism base and then appear, bending towards the principal axis. Thus, following refraction through the lens, they concentrate to a point on another side of the lens's principal axis. This point is termed the lens's principal focus and is denoted by the letter F. Because a convex lens focuses on the light rays that are falling on it, it is named a converging lens.

Additional Information:
Diverging lenses are lenses that diverge the rays reaching towards them. It has a negative focal length. A diverging lens lets exiting rays be more deviating coming out than they were entering into the lens. A diverging lens constantly forms virtual images of actual objects. A diverging lens is a lens that deviates rays of light moving parallel to its principal axis. Their shape can also identify diverging lenses; they are relatively thin over their middle and thick at their top and below edges.

Note:
- As the object is outward of the focal point, the image is inverted and real. When the object is inside the focal point, the image will be virtual and upright. A converging lens is a lens that concentrates rays of light that are moving parallel to its principal axis. Their shape can identify converging lenses; they are comparatively thick over their middle and thin at their top and below edges.