Примери за използване на Convex lens на Английски и техните преводи на Български
{-}
-
Colloquial
-
Official
-
Medicine
-
Ecclesiastic
-
Ecclesiastic
-
Computer
What does that convex lens do?
A convex lens used to focus the sun' s rays so as to produce heat, especially in order to start a fire.
They are a kind of convex lens.
This is convex lens leadership.
A far sighted person just needs a reading glass with convex lenses to correct his vision.
A double convex lens is used to focus light from a point source or to transmit images to other optical systems.
So I learned the lesson of convex lens leadership from that.
One day he took us out into the sun andtried to show us how to find the focal length of a convex lens.
The double convex lens is a kind of double convex lens plate, which includes the incident plane and the projection plane.
Pressure of underground water is so strong that it creates a convex lens above the surface of the lake.
Reading glasses are a kind of optical products, which are used for the eyes of the old people, andbelong to a kind of convex lens.
Its function is based on the property of the convex lenses to refract light rays and collect them in a certain point- the focus.
Anyway, that's all it really is to know, obviously there's a lot you can know about anything. butthat's the general gist about the convex lenses.
When they pass through a magnifying glass, the convex lens bends the parallel rays so that they converge and create a virtual image on your eyes' retinas.
If astigmatism is added, as in many cases, some other refractive defect such as myopia or hyperopia,a concave or convex lens, respectively, should be added.
I drew one parallel ray from the tip of that arrow to the actual convex lens and it gets refracted, so it goes through the focal point on the right hand side.
In far sightedness, the light gets focused into an image behind the retina,making vision for near objects difficult and a convex lens is used to correct this deficit.
Magnifying glasses make objects appear larger because their convex lenses(convex means curved outward) refract or bend light rays, so that they converge or come together.
Like we did with parabolic mirrors, what I really want to do in this video is just for put objects at different distances relative to this convex lens and just think about what its image will look like.
We have talked a lot about convex lenses, so I thought I would do a quick video on concave lenses, although there aren't as many combinations of what a concave lens can do.
This kind of fashion accessories reading glasses makes full use of the convergence of the convex lens to increase the adjustment of the eyeball to improve the imaging of the object on the retina.
A report published in the American Journal of Modern Physics revealed a startling find- a newly developed telescope with concave lenses has observed, for the first time, entities in our terrestrial environment that are invisible to our eyes andto conventional Galileo telescopes with convex lenses.
The Keplerian telescope(invented in 1611)was more complicated and had a convex lens for an eyepiece, the front focus of which was combined with the rear focus of the objective lens. .
A new report published in the latest edition of the American Journal of Modern Physics has revealed a startling finding- a newly developed telescope with concave lenses has observed, for the first time, entities in our terrestrial environment that are invisible to our eyes andto conventional Galileo telescopes with convex lenses.
This kind of accessories metal reading glasses uses the convergence of the convex lens to adjust the distance between the eye and the object viewed, so that those with presbyopia can see the object more clearly.
In the last video, I showed that a bunch of triangles are similar to each other to come up with a relationship between the focal length, the distance of an object from the convex lens, andthe distance of the image of an object from that convex lens.
As an optical product,this kind of fortuna style fashion metal reading glasses belongs to a kind of convex lens, which improves the imaging of the object on the retina by converging, and can supplement the vision for middle-aged and elderly people.
They have been observed for many years Sol-war A new report published in the latest edition of the American Journal of Modern Physics has revealed a startling finding- a newly developed telescope with concave lenses has observed, for the first time, entities in our terrestrial environment that are invisible to our eyes andto conventional Galileo telescopes with convex lenses.
What I want to do in this video is to come up with an algebraic relationship between the distance of the object from the convex lens, the distance of the image from the convex lens(usually on the other side) and the focal length.