Homework 5 - Optics Questions

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

<p>It may result in a virtual or real image depending on the lens configuration (A)</p> Signup and view all the answers

<p>The focal lengths of the individual lenses (D)</p> Signup and view all the answers

<p>The image becomes larger and remains real (B)</p> Signup and view all the answers

<p>A virtual image is formed which may affect subsequent images (D)</p> Signup and view all the answers

<p>They may prevent convergence before the next optical element. (D)</p> Signup and view all the answers

<p>It can both increase or decrease the effective focal length. (B)</p> Signup and view all the answers

<p>It changes progressively through each optical element. (D)</p> Signup and view all the answers

<p>They pass through without any deviation. (A)</p> Signup and view all the answers

<p>$\frac{1}{f} = \frac{1}{u} + \frac{1}{v}$ (B)</p> Signup and view all the answers

<p>Magnification increases with decreasing effective focal length. (C)</p> Signup and view all the answers

<p>The lenses must be perfectly aligned and spaced correctly. (D)</p> Signup and view all the answers

<p>Using the formula $\frac{1}{f_{eff}} = \frac{1}{f_1} + \frac{1}{f_2} - \frac{d}{f_1f_2}$. (D)</p> Signup and view all the answers

<p>Convex lens (C)</p> Signup and view all the answers

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

<p>Image is inverted (A)</p> Signup and view all the answers

<p>1/f = 1/d_o + 1/d_i (D)</p> Signup and view all the answers

<p>The dispersion of light in the lens (D)</p> Signup and view all the answers

<p>Virtual and upright (D)</p> Signup and view all the answers

<p>It increases the focal length (B)</p> Signup and view all the answers

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

<p>Concave lens (C)</p> Signup and view all the answers

<p>When the object is between F and 2F (A)</p> Signup and view all the answers

<p>Concave lens (C)</p> Signup and view all the answers

<p>The image becomes larger and virtual (D)</p> Signup and view all the answers

<p>M = d_i/d_o (B)</p> Signup and view all the answers

<p>The lens thickness (B)</p> Signup and view all the answers

<p>The focus point where light rays meet (B)</p> Signup and view all the answers

<p>It distorts the rays into a curved shape. (B)</p> Signup and view all the answers

<p>It creates an overall plus power of +1.00 D. (D)</p> Signup and view all the answers

<p>It is where light passes through without deviation. (B)</p> Signup and view all the answers

<p>The direction where no refractive power is present. (D)</p> Signup and view all the answers

<p>It passes straight through without being refracted. (C)</p> Signup and view all the answers

<p>They spread light rays apart in one direction. (D)</p> Signup and view all the answers

<p>A selective focusing of light in one plane. (B)</p> Signup and view all the answers

<p>To provide astigmatic correction. (D)</p> Signup and view all the answers

<p>They combine their powers to form a single effective power. (B)</p> Signup and view all the answers

<p>l2 = d + l'1 (B)</p> Signup and view all the answers

<p>Msystem = ML1 * ML2 * ML3... (B)</p> Signup and view all the answers

<p>Pairs of points that relate to image formation. (D)</p> Signup and view all the answers

<p>It combines into a single, enhanced output. (D)</p> Signup and view all the answers

<p>They produce a distorted image due to conflicting focus points. (C)</p> Signup and view all the answers

<p>It determines the effective power of the overall system. (B)</p> Signup and view all the answers

<p>It operates on a single optical axis. (B)</p> Signup and view all the answers

<p>Can increase or decrease effective focal length (D)</p> Signup and view all the answers

<p>It is altered progressively by each optical element (C)</p> Signup and view all the answers

<p>They pass undeviated through the lens (B)</p> Signup and view all the answers

<p>They prevent convergence before the next optical element (A)</p> Signup and view all the answers

<p>They do not change their trajectory (A)</p> Signup and view all the answers

<p>There is a loss of light and therefore diminished image brightness (A)</p> Signup and view all the answers

<p>5 cm (C)</p> Signup and view all the answers

<p>Light may be focused differently based on lens placement (D)</p> Signup and view all the answers

<p>6 cm (D)</p> Signup and view all the answers

<p>It causes fluctuations in effective focal length and image position (D)</p> Signup and view all the answers

<p>+0.6 (B)</p> Signup and view all the answers

<p>The image is real and inverted (C)</p> Signup and view all the answers

<p>By considering the image formed by the first lens as the object for the second lens (D)</p> Signup and view all the answers

<p>It reduces the thickness required for a given focal length (B)</p> Signup and view all the answers

<p>L=l/n (B)</p> Signup and view all the answers

<p>Increases optical power and convergence (A)</p> Signup and view all the answers

<p>Total magnification is the product of individual magnifications (D)</p> Signup and view all the answers

<p>The effective focal length equals the focal length of one lens (B)</p> Signup and view all the answers

<p>It will create a virtual object for the converging lens (B)</p> Signup and view all the answers

<p>It determines whether the image will be real or virtual (B)</p> Signup and view all the answers

<p>It diverges light and can create virtual images (B)</p> Signup and view all the answers

<p>By using combinations of materials with opposite abbe numbers properties (C)</p> Signup and view all the answers

<p>Diverges rays to create a virtual focus (A)</p> Signup and view all the answers

<p>Total optical power increases (D)</p> Signup and view all the answers

<p>Adjusts the focal length and improves image quality (C)</p> Signup and view all the answers

<p>To achieve a higher total magnification (A)</p> Signup and view all the answers

<p>Improved color fidelity and sharpness (B)</p> Signup and view all the answers

<p>Allows for more precise control of focal lengths (C)</p> Signup and view all the answers

Increasing the distance between lenses in a compound system may cause a change in magnification, depending on the focal lengths involved.

Combining converging and diverging lenses in a compound system helps correct image imperfections (aberrations) for improved image quality.

A compound optical system, with the object positioned outside the focal length of the first lens, produces a real and inverted image.

Virtual objects can be created within a compound system, potentially by using the image formed by a previous lens as the object for subsequent lenses in the system.

A virtual and upright image is formed by a concave lens. A real and inverted image is formed by a convex lens.

A lens that converges light rays.

A lens that diverges light rays.

An image that can be projected onto a screen.

An image that cannot be projected onto a screen.

Formula to calculate focal length, object distance, and image distance for lenses.

The distance from the lens to the focal point.

Measurement of how much a lens converges or diverges light.

Measure of a lens material's dispersion.

Distance between the object and the lens.

Distance between the image and the lens.

A measure of how much light rays converge or diverge at an image plane.

Ratio of image height to object height.

A lens that converges light.

Lens where the thickness must be considered in optical calculations.

Diverging rays prevent convergence before the next optical element.

All rays are parallel.

Lens separation (d) can increase or decrease the effective focal length of a compound system.

A compound optical system changes light vergence progressively through each element.

Light passing through the optical center of a lens in a compound system is undeviated.

Image position in a compound optical system with two lenses is calculated using specific formulas.

The equivalent focal length of the combination of lenses.

Light reflected back to its source.

An optical system containing multiple lenses or mirrors. This configuration enables light to interact and combine their powers, resulting in a final image with desired properties.

The combined power of all optical elements in a compound system, influencing both the magnification and image quality.

A mathematical equation that describes how the image distance (l2) of a compound system relates to the image distance of the previous lens, and the separation between them.

The product of individual magnifications of all lenses in a compound system, revealing the overall size difference between the final image and the object.

Pairs of points along the optical axis of a compound system, where an object placed at one point will form an image at the other point.

Lenses in a compound system don't function in isolation; they influence each other by refracting or reflecting light, creating a final image with different properties.

A straight line passing through the centers of curvature of all lenses in a compound system. This line defines the direction of light propagation and image formation.

All lenses in a compound system effectively act as one single lens with a combined power, determining the final image characteristics.

Light rays that spread out, preventing them from converging to a point before reaching the next optical element.

A compound optical system progressively changes the convergence or divergence of light rays as they pass through each lens.

The position of the final image formed by a compound optical system with two lenses is calculated using specific formulas that consider the focal lengths of each lens and their separation.

The axis of a cylindrical lens indicates the direction in which the lens has no power. It's like a 'neutral zone' where light passes through without being focused or dispersed.

A cylindrical lens doesn't affect light along its axis. It's like a straight road - no curves, no changes.

The optical center of a sphero-cylinder lens is where light passes through without being deviated. It's the point on the lens where the power of the sphere and cylinder cancel out.

The total power at the axis of a cylindrical lens is simply the sphere power. The cylinder power has no effect at this specific point.

A cylindrical lens focuses or diverges parallel light rays only in one direction (perpendicular to its axis). It's like a magnifying glass that only works along a single line.

Sphere power refers to the equal refractive power of a lens in all directions.

Cylinder power represents the focusing or diverging power of a lens along a specific meridian (axis). It's like a magnifying glass with a focus line.

A lens with both spherical and cylindrical power, allowing for correction of astigmatism in a specific direction.

The ratio of the image height to the object height. It tells you how much bigger or smaller the image is compared to the original object.

The distance between the object and the first lens in a system.

The distance between the image formed by a lens and the lens itself.

The magnification of the first lens in a multi-lens system. It tells you how much the first lens magnifies or shrinks the object.

The overall magnification of a multi-lens system. It's calculated by multiplying the magnification of each individual lens in the system.

The total magnification of a compound optical system is determined by multiplying the magnifications of each individual lens.

A negative lens (diverging lens) spreads out light rays, creating virtual images that appear smaller and further away than the actual object.

Compound optical systems minimize chromatic aberration (color fringing) by using combinations of lens materials with different refractive indices.

A diverging lens in a compound system spreads out parallel light rays, creating a virtual focus point.

Adding a converging lens to a compound system increases the overall optical power, making it more powerful in focusing light.

Light vergence describes how light rays converge or diverge as they pass through a compound optical system.

A compound optical system creates an image by focusing light through multiple lenses, with each lens modifying the image formed by the previous one.

The effective focal length is calculated by considering the focal lengths of individual lenses and the distance between them.

A lens with a high refractive index bends light more strongly. This allows for a shorter lens to achieve the same focal length, reducing the overall thickness of the lens.

Vergence (L) is a measure of how much light rays converge or diverge. It's related to the object distance (l) and the refractive index (n) by the formula: L = n / l.

In a compound system, a lens with a short and positive secondary focal length has a strong converging effect. This increases both the optical power and the convergence of light rays, leading to a brighter and more magnified image.

In a compound system, the image formed by one lens can act as the object for the next lens. If this image is virtual (cannot be projected on a screen), it's called a virtual object.