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A lens that curves outward is called?
)( is a concave lens() is a convex lens
Which of the following lenses is a converging lens A double-convex lens B spherical-convex lens C plano-concave lens D convexo-concave lens?
Double-convex lens
What two factors determine the type of image formed by lens?
The focal length of the lens and the distance between the lens and the object.
To magnify an object would you use a convex lens or a concave lens?
You would use a convex lens.
What is spectacle lens?
A spectacle lens is a lens worn in front of the eye, mainly used to correctmyopia, hyperopia,astigmatism.
What is medical code 92312?
92311prescription of optical and physical characteristics of and fitting of contact lens, with medical supervision of adaptation; corneal lens for aphakia, 1 eye92312 prescription of optical and physical characteristics of and fitting of contact lens, with medical supervision of adaptation; corneal lens for aphakia, both eyes92313 prescription of optical and physical characteristics of and fitting of contact lens, with medical supervision of adaptation; corneoscleral lens
What are the characteristics of a convex lens?
they r erect,virtual,deminished and independent of distance.
What are characteristics of microscopic?
Characteristics of a microscope include Illuminator, Eyepiece Lens and Tunnel, Objective Lenses and Diaphragm or Iris.
What determines the characteristics of images seen through a magnifying glass?
The characteristics of images seen through a magnifying glass are determined by the magnification power of the lens, the distance between the lens and the object being viewed, and the focal length of the lens. These factors affect the size, clarity, and distortion of the image.
The image produced by a convex lens depends upon?
The image produced by a convex lens depends upon the object distance from the lens, the focal length of the lens, and the type of object being viewed (real or virtual). The characteristics of the image, such as its size, orientation, and location, are determined by the lens formula and the properties of the convex lens.
What are the characteristics of a lens with a negative focal length that differ from those of a lens with a positive focal length?
A lens with a negative focal length diverges light rays and creates virtual images, while a lens with a positive focal length converges light rays and forms real images.
How does a convex lens create an image?
A convex lens creates an image by refracting light that passes through it. Light rays converge on the other side of the lens to form a real or virtual image, depending on the object's distance from the lens and the focal point. The image can be magnified, reduced, or appear inverted based on the lens characteristics and object positioning.
Can a convex lens behave as a concave lens?
No, a convex lens cannot behave as a concave lens because they have different shapes and properties. A convex lens converges light rays to a focal point, while a concave lens diverges light rays. They produce different effects on the light passing through them and have opposite characteristics.
What determines the type of the image formed after refraction from a convex lens?
The type of image formed by a convex lens (real or virtual, upright or inverted) is determined by the object's distance from the lens, the focal length of the lens, and the position of the object relative to the focal point. The characteristics of the image (size, orientation, and location) are determined by applying the lens formula and the magnification equation.
How will an object seen through a concave lens appear?
An object seen through a concave lens will appear smaller, upright, and virtual - meaning it will not project a real image on a screen. The image will be on the same side as the object and its characteristics will depend on the distance of the object from the lens.
Do concave lenses always produce a smaller image?
Concave lenses can produce either smaller or larger images, depending on the object's distance from the lens and the characteristics of the lens itself. The image produced by a concave lens can be virtual, upright, and smaller, or it can be real, inverted, and larger.
When the focal point of a converging lens object blink?
When an object is placed beyond the focal point of a converging lens, a real and inverted image is formed on the opposite side of the lens. If the object blinks, the image will momentarily disappear and reappear, but the characteristics of the image formation will remain the same.
