Geometric Optics Chapter Overview

<p>Light passes through the apex (S) before the center (C). (A)</p> Signup and view all the answers

<p>Two (A)</p> Signup and view all the answers

<p>A ray parallel to the principal axis, passing through the image focus (F'). (D)</p> Signup and view all the answers

<p>It remains undeviated. (D)</p> Signup and view all the answers

<p>n1 i1 = n2 i2 (D)</p> Signup and view all the answers

<p>γ = (A2B2)/(A1B1) (C)</p> Signup and view all the answers

<p>Expressing the object and image heights in terms of distances from the diopter. (D)</p> Signup and view all the answers

<p>H A1 / H A2 = n2 / n1 (A)</p> Signup and view all the answers

<p>γ = n2 / n1 (C)</p> Signup and view all the answers

<p>It is strictly stigmatic. (A)</p> Signup and view all the answers

<p>Because the conjugate formula for a plane diopter is independent of object position. (A)</p> Signup and view all the answers

<p>Using the law of reflection for two incident rays. (B)</p> Signup and view all the answers

<p>The ratio of the image height to the object height. (C)</p> Signup and view all the answers

<p>Its thickness is much smaller compared to its diameter. (A)</p> Signup and view all the answers

<p>To refract light rays and change their direction. (A)</p> Signup and view all the answers

<p>A convergent dioptre focuses light rays to a point, while a divergent dioptre disperses light rays. (B)</p> Signup and view all the answers

<p>The ray of light emerges parallel to its original direction. (A)</p> Signup and view all the answers

<p>It is a transparent medium made of two diopters, at least one of which is spherical. (C)</p> Signup and view all the answers

<p>To determine the location of an image formed by a lens. (B)</p> Signup and view all the answers

<p>Both SF′′ and SC.n are positive. (B)</p> Signup and view all the answers

<p>Planar Diopter (C)</p> Signup and view all the answers

<p>It produces images that are magnified. (B)</p> Signup and view all the answers

<p>The relationship between the object distance and the image distance. (B)</p> Signup and view all the answers

<p>The point where the principal axis intersects the lens. (A)</p> Signup and view all the answers

<p>It can produce both real and virtual images. (B)</p> Signup and view all the answers

<p>The point where parallel rays converge after passing through the lens. (B)</p> Signup and view all the answers

<p>The size of the image compared to the size of the object. (C)</p> Signup and view all the answers

<p>Real and inverted. (B)</p> Signup and view all the answers

<p>They involve flat surfaces that reflect or refract light. (C)</p> Signup and view all the answers

<p>The relationship between the object distance, image distance, and the focal power of the dioptre. (C)</p> Signup and view all the answers

<p>To alter the path of light rays through refraction (A)</p> Signup and view all the answers

<p>A system where all light rays from a single point converge at a single point. (D)</p> Signup and view all the answers

<p>$ν = \frac{n' - n}{SC}$ (D)</p> Signup and view all the answers

<p>The algebraic equation linking the positions of the image and object. (D)</p> Signup and view all the answers

<p>Diopters (δ) (D)</p> Signup and view all the answers

<p>The dioptre is convergent. (D)</p> Signup and view all the answers

<p>Because it closely approximates the ideal stigmatic behavior under certain conditions. (A)</p> Signup and view all the answers

<p>The image is formed at the image focus (SF'). (C)</p> Signup and view all the answers

<p>Conditions under which the diopter exhibits approximate stigmatism. (D)</p> Signup and view all the answers

<p>$SF = \frac{n}{n' - n} dot SC$ (B)</p> Signup and view all the answers

<p>$n_1 / H A_1 = n_2 / H A_2$ (B)</p> Signup and view all the answers

<p>Focal power is inversely proportional to the curvature. (B)</p> Signup and view all the answers

<p>A planar diopter has an infinite curvature, while a spherical diopter has a finite curvature. (C)</p> Signup and view all the answers

<p>A convergent dioptre converges light rays, while a divergent dioptre diverges light rays. (D)</p> Signup and view all the answers

The branch of optics that describes light propagation in terms of rays.

Optical systems involving flat surfaces where light interacts through reflection or refraction.

Optical systems that bend light as it passes through different media.

Optical systems that reflect light, such as plane mirrors.

Optical systems using spherical surfaces to focus or disperse light.

The distance from a lens to its focal point where light converges or diverges.

The process of enlarging the appearance of an object through optical systems.

The point in a lens where light rays converge or appear to converge.

Curved refractive surfaces altering light paths based on shape and curvature.

Optical devices made from systems to manipulate light for image formation.

An algebraic relation linking the positions of the image and the object.

A type of planar system that is not stigmatic without specific conditions.

An optical system where each object point corresponds to a single image point.

Ideal conditions where planar diopters can be treated as stigmatic.

Under Gauss conditions, object points correspond to multiple image points in planar diopters.

The symmetrical counterpart of an object point A with respect to the mirror plane.

The magnification γ for an image in a plane mirror is always 1, indicating equal size to the object.

A diopter where light passes through the apex first, identified by a positive radius of curvature (R > 0).

A diopter where light passes through the center first, identified by a negative radius of curvature (R < 0).

To construct an image, at least two rays must be used, with specific rules regarding their pathways.

The ray through center C does not deviate, while rays parallel to the optical axis go through the image focus F'.

The point where an incident ray meets the plane diopter.

A formula relating the object's and image's positions in optical systems.

γ = A2B2 / A1B1 = n2 / n1; shows size relationship in optics.

A relation that describes the positioning of points to find distances in optics.

An image where light rays converge to form a clear point without aberration.

States that the angle of incidence equals the angle of reflection.

A measure of how much light bends when entering a medium compared to air.

The ability of an optical system to converge light rays, calculated using n values and curvature.

The geometric shape influencing how light is refracted through a spherical diopter.

The point indicating where light from an object converges when the object is at infinity.

The point where light rays converge to form an image in a diopter system.

Distinguishes between converging (positive ν) and diverging (negative ν) diopters.

The focal power of a diopter, also defined as the reciprocal of the focal length in meters.

A diopter that has positive spherical focus (SF > 0).

A diopter that has negative spherical focus (SF < 0).

The equation for magnification relates image size to object size through a lens.

A lens where diameter significantly exceeds thickness.

A ray through the optical center emerges parallel to its incoming path.

A lens made by combining two diopters, at least one being spherical.

The process by which lenses create an image from an object, affected by lens type.