0
Want this question answered?
Be notified when an answer is posted
Add your answer:
Earn +20 pts
Should a screen should be placed parallel or perpendicular to the plane of the convex lens?
If you want to catch the image formed by the lens, then the screen will have to be perpendicular to the axis of the lens. That's kind of parallel to the lens ... the lens doesn't actually have any 'plane' since its surfaces are curved.
What happens when rays of light incident on a lens and parallel to the principal axis of the lens converge?
-- The distance from the center of the lens to the plane in which the rays converge is the 'focal length' of the lens. -- If the rays emanated from one point on an object, then rays from all the other points on the object do the same thing, and a real image is formed.
What happens to an image when the focal length of the lens is reduced?
If the Object you are 'focused' on stays in the same relative position to the lens, then the image will appear SMALLER on the Focal Plane. For example, the image using a 50mm lens will be LARGER than using a 28mm lens.
Where are lens are used?
Lens are widely used. The most common example of the usage of lens is the spectacles. The spectacles contain either convex or concave lenses. In some cases it is plane. Convex Lens are widely used in Magnifying glasses, Microscope and Telescopes. Convex lens are used in torch lights. It helps in concentrating the light rays emitted from the bulb to a point, hence increasing the intensity of light at that point.
Why are thick lenses stronger than thinner ones?
Even if the material is the same, the thick lens is stronger because strength increases when thickness increases. If you pull on the lens in its plane and it is twice as thick then it is twice as strong. If you push on the lens perpendicular to it and it is twice as thick then it is eight times stronger. This is strength of materials theory taken in college for engineering.
What is the focal lentgh of a lens?
It is a plane perpendicular to the lens at the focal distance from the lens. All parallel light entering the lens from a certain direction falls on a single point somewhere on this plane. Where the point of light falls depends on what angle the "wall" of light enters the lens.
Should a screen should be placed parallel or perpendicular to the plane of the convex lens?
If you want to catch the image formed by the lens, then the screen will have to be perpendicular to the axis of the lens. That's kind of parallel to the lens ... the lens doesn't actually have any 'plane' since its surfaces are curved.
What is the definition for flat or plane lens?
i dont know lens that help u see !
Where is a focal plane shutter located?
A focal plane shutter is located right in front of the film or sensor where the light coming in from the lens is focused. Older film cameras would use an in-lens shutter system, sometimes even combined with the aperture mechanism. Focal plane shutters are used in modern cameras because they provide quicker shutter action and better camera balance.
How much of the image that will be sharp in a photograph?
Each lens has a 'plane' at some distance from it that will be properly sharp. This will depend on what objects the lens has been focussed on. Usually objects in front of and behind this plane will be acceptably in focus but to a greater or lesser degree, depending on, amongst other things, the lens aperture that the photo was taken with.
How are reflecting and retracting telescopes different?
A reflecting telescope is different from a refracting telescope because a reflecting telescope uses a concave lens, a plane mirror, and a convex lens. While a refracting telescope uses two lens.
What is a telescope that uses an object lens to bend light toward the plane where the image is found?
reflecting telescope
Which does not form a real image?
(1)A plane mirror (2)A convex mirror (3)A concave lens
Telescope that uses an objective lens to bend light toward the plane where the images is formed?
a refracting telescope
Telescope that uses an objective lens to bend light toward the plane where the images is formeds?
a refracting telescope
Does not form a real image?
(1)A plane mirror (2)A convex mirror (3)A concave lens
Do binoculars have convex lenses?
Yes they do. They also include concave mirrors and a plane mirror.
