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They make the light rays converge to a point. Parallel rays converge at the focal point of the lens
Real image
The focal point.Other answersWhen rays of light converge? I think it is called the "refraction." :)focal point ....would be preferredrefraction is more why it changes
light rays converge at the focal plane
A convex lens.
Convex is an adjective that describes something has a surface or boundary that curves or bulges outward. Convex lens are thicker at the center, they do cause light to converge.
It is a lens that possesses at least one surface that curves outwards. It causes light to deviate inward, bringing the rays of light to a focus. Its thicker at its center than at its edges, and is used to correct far-sightedness. A convex lens is a lens that bulges outward on both sides. I have another comment. It does do all that stuff and who needed them to build a telescope? It's Galileo Galilie. Ohyah!
Actually the negative lens just sits there. It causes a parallel beam of light to diverge. It causes a convergent beam to converge less. It causes a divergent beam to diverge more.
They make the light rays converge to a point. Parallel rays converge at the focal point of the lens
They make the light rays converge to a point. Parallel rays converge at the focal point of the lens
Real image
The focal point.Other answersWhen rays of light converge? I think it is called the "refraction." :)focal point ....would be preferredrefraction is more why it changes
Converging. Tip: look at the pictures and read : http://en.wikipedia.org/wiki/Lens_(optics)
light rays converge at the focal plane
A convex lens.
infraction
Light rays converge as well as diverge. it depends upon the type of lens or mirror you pass it through. A concave lens or a convex mirror diverges the light whereas a convex lens or a concave mirror converges the light rays!