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∙ 11y ago
When light enters the eye, it first passes through the cornea, which is the clear outer covering of the eye. It then travels through the pupil, which is the opening in the center of the iris. Next, it reaches the lens, which focuses the light onto the retina at the back of the eye, where it is converted into electrical signals that can be interpreted by the brain.
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What is the function of the lens?
The lens in our eye is 10x and it's a concave lens. When the light goes through it, the light bends.
Which part of the human eye bends light rays the most when focused on a distant object?
The lens
What is the nature of eye lens of human eye and that of the image formed at the retina of the eye by it?
our eye has convex lens which has got the power of converging image . so when the light fall on the convex lens the sensory nerve of our eye immediately send electrical impulse to the mind then the mind make the clear and virtual image .or say when convex lens converge the falling light , the convex lens have a focus point which is retina at where all the light rays focused and images is formed .
How many lenses does the human eye have?
A convex or converging lens is found in the human eye.
What is the biconvex transparent structure that focuses light on the retina?
The biconvex transparent structure that focuses light on the retina is called the lens.
Which microscope part regulates the amount of light that reaches the objective lens?
The diaphragm regulates the amount of light that reaches the objective lens. It is also called the iris.
What does it mean when you say that light is refracted as it enters the eye?
When light reaches the lens of the eye, it bends. This change in the direction of the light is called refraction, and it is what makes the images one sees.
How do people see?
First, light passes through the transparent cornea. It then reaches the pupil. This expands or contracts depending on the amount of light that enters the eye. The iris controls the size of the pupil, to regulate how much light reaches the lens. The lens bends light rays and focuses them on the back of the eye, or the retina. The retina, then, changes light into nerve impulses through a complex process. These impulses are transmitted along the optic nerve to the brain, which interprets the impulses as images.
What is apperture?
The main function of a camera lens is to collect light. The aperture of a lens is the diameter of the lens opening and is usually controlled by an iris. The larger the diameter of the aperture, the more light reaches the film / image sensor.Aperture is expressed as F-stop, e.g. F2.8 or f/2.8. The smaller the F-stop number (or f/value), the larger the lens opening (aperture).
What does the amulsion of and camera and the human brain have in common?
The emulsion of a camera is a coating on the lens that is sensitive to light. It has that in common with the human brain as both take in signals from light and process them.
What is the function of the lens?
The lens in our eye is 10x and it's a concave lens. When the light goes through it, the light bends.
Which part of the human eye bends light rays the most when focused on a distant object?
The lens
How does light go through a lens?
Light goes in the lens, refraction occurs, and the light exits the lens.
What is the nature of eye lens of human eye and that of the image formed at the retina of the eye by it?
our eye has convex lens which has got the power of converging image . so when the light fall on the convex lens the sensory nerve of our eye immediately send electrical impulse to the mind then the mind make the clear and virtual image .or say when convex lens converge the falling light , the convex lens have a focus point which is retina at where all the light rays focused and images is formed .
In a bright light the pupil in your eye will?
When exposed to a bright light, the pupil of the human eye will contract. This action allows less light to come in contact with the lens.
What is a crystalline lens?
A crystalline lens is the lens in the human eye.
What happens when light passes through a concave lens and a convex lens?
The light is delayed longer by the thicker part of the lens than by the thinner part of the lens. This results in the following:convex lens, light rays bend towards the axis of the lensconcave lens, light rays bend away from the axis of the lens
