Optics Final HW 2024 PDF

100 Homework Telescope allowlesslighttheapertureissmaller meansthe aperture is larger View Assessment 10/15/24, 2:35 p. m....

100 Homework Telescope allowlesslighttheapertureissmaller meansthe aperture is larger View Assessment 10/15/24, 2:35 p. m. Homework Attempt 51156 1st54 56 2 malas Homework 4: Complex Lenses and Optical Systems 56 OF 56 QUESTIONS REMAINING Homework Content Question 1 1 Point What is the primary purpose of a sphero-cylinder lens? A To correct astigmatism B To magnify objects C To converge light D To diverge light Question 2 1 Point SPEfslefsespofersta.ve How does a sphero-cylinder lens differ from a spherical lens? A It combines spherical and cylindrical surfaces B It has no curvature C It has two focal points D It is thicker Question 3 1 Point https://interbb.blackboard.com/ultra/courses/_521127_1/outline/assessment/_28017864_1/overview/attempt/_20215586_1?courseId=_521127_1 Página 1 de 22 View Assessment 10/15/24, 2:35 p. m. Question 3 1 Point What is the cylinder axis in a sphero-cylinder lens? A The line of maximum light absorption B The point of maximum curvature C The meridian with zero refractive power D The optical center of the lens Question 4 1 Point What does the power of a cylindrical lens depend on? A The curvature of the lens B The index of refraction C The thickness of the lens D The orientation of the cylinder axis Question 5 1 Point What is the principal meridian in a sphero-cylinder lens? A The meridian with maximum power B The meridian with zero power C The meridian perpendicular to the optical axis https://interbb.blackboard.com/ultra/courses/_521127_1/outline/assessment/_28017864_1/overview/attempt/_20215586_1?courseId=_521127_1 Página 2 de 22 View Assessment 10/15/24, 2:35 p. m. D The meridian with the thinnest edge Question 6 1 Point What is the spherical equivalent of a sphero-cylinder lens with a sphere of +2.00 D and a cylinder of -1.00 D? A +1.50 D B C +2.00 D +1.00 D Max D +2.50 D Question 7 1 Point What type of lens is used to correct myopic astigmatism? A Plano lens B Convex lens C Plus sphero-cylinder lens D Minus sphero-cylinder lens Question 8 1 Point What is the formula for calculating the power of a sphero-cylinder lens in the 180° meridian? A Sphere power only https://interbb.blackboard.com/ultra/courses/_521127_1/outline/assessment/_28017864_1/overview/attempt/_20215586_1?courseId=_521127_1 Página 3 de 22 View Assessment 10/15/24, 2:35 p. m. A Sphere power only B Cylinder power only C Sphere power + Cylinder power D Sphere power - Cylinder power Question 9 1 Point What does the axis of a cylindrical lens determine? A The color of the light B The direction of no power C The thickness of the lens D The amount of light absorbed Question 10 1 Point How does a cylindrical lens affect light in the direction of its axis? A Converges it B Diverges it C Refracts it D Does not affect it Question 11 1 Point https://interbb.blackboard.com/ultra/courses/_521127_1/outline/assessment/_28017864_1/overview/attempt/_20215586_1?courseId=_521127_1 Página 4 de 22 View Assessment 10/15/24, 2:35 p. m. Question 11 1 Point What is the optical center of a sphero-cylinder lens? A The point where light passes undeviated B The thickest part of the lens C The edge of the lens D The point where light is absorbed Question 12 1 Point What is the total power at the axis of a cylindrical lens with a sphere of +3.00 D and a cylinder of -2.00 D at 90°? A +3.00 D B C +1.00 D +2.00 D May D +3.00 D Question 13 1 Point What is the effect of a cylindrical lens on parallel rays of light? A Focuses them into a line B Reflects them C Diverges them in all directions https://interbb.blackboard.com/ultra/courses/_521127_1/outline/assessment/_28017864_1/overview/attempt/_20215586_1?courseId=_521127_1 Página 5 de 22 View Assessment 10/15/24, 2:35 p. m. C Diverges them in all directions D Converges them to a point Question 14 1 Point How is the cylinder power specified in a prescription? A As a negative power only B Along with the axis orientation C As an additional power value D As the only power value Question 15 1 Point What is the purpose of cross-cylinder lenses in optometry? A To magnify distant objects B To refine astigmatic corrections C To reduce spherical aberrations D To increase the thickness of lenses Question 16 1 Point How does a sphero-cylinder lens correct astigmatism? A By magnifying the image https://interbb.blackboard.com/ultra/courses/_521127_1/outline/assessment/_28017864_1/overview/attempt/_20215586_1?courseId=_521127_1 Página 6 de 22 View Assessment 10/15/24, 2:35 p. m. A By magnifying the image B By changing the refractive index of the eye C By compensating for unequal curvatures in the eye D By decreasing the focal length Question 17 1 Point What is a compound optical system? A A system with no optical elements B A system with a single optical axis C A system consisting of multiple optical elements D A single lens or mirror Question 18 1 Point How do lenses in a compound optical system interact? A They work independently without affecting each other B They reflect light back and forth C They cancel each other's powers D They combine their powers to form a single effective power Question 19 1 Point https://interbb.blackboard.com/ultra/courses/_521127_1/outline/assessment/_28017864_1/overview/attempt/_20215586_1?courseId=_521127_1 Página 7 de 22 View Assessment 10/15/24, 2:35 p. m. Question 19 1 Point What is the transformation equation in compound optical systems? A l2 = d + l'1 B l2 = F + d C l2 = l'1 - d D l2 = l'1 + F Question 20 1 Point How is the total magnification (Msystem) of a compound optical system calculated? A Msystem = ML1 * ML2 * ML3... B Msystem = ML1 * ML2 C Msystem = ML1 - ML2 D Msystem = ML1 + ML2 Question 21 1 Point What are conjugate points in optical systems? A Points on the optical axis B Points of zero magnification C Points of maximum light absorption https://interbb.blackboard.com/ultra/courses/_521127_1/outline/assessment/_28017864_1/overview/attempt/_20215586_1?courseId=_521127_1 Página 8 de 22 View Assessment 10/15/24, 2:35 p. m. D Points on the object and image that correspond to each other Question 22 1 Point What is the function of the principal planes in a compound optical system? A To absorb stray light B To decrease focal length C To simplify ray tracing and calculations D To increase thickness Question 23 1 Point What are the Maxwell conditions for a perfect optical system? A Minimum thickness and maximum power B Maximum weight and minimum cost C PPF Conjugate points, conjugate planes, and conjugate figures D Parallel optical axis and zero magnification Question 24 1 Point What happens to light as it passes through multiple lenses in a compound system? A It is reflected back to the source https://interbb.blackboard.com/ultra/courses/_521127_1/outline/assessment/_28017864_1/overview/attempt/_20215586_1?courseId=_521127_1 Página 9 de 22 View Assessment 10/15/24, 2:35 p. m. B It is unchanged C It is absorbed completely D It is refracted at each surface, combining effects Question 25 1 Point How do you calculate the total power of a two-lens system with focal lengths f1 and f2 separated by a distance d? A F = f1 - f2 B F = (f1 * f2) / d C F = f1 + f2 D F = f1 + f2 - d/(f1 * f2) Question 26 1 Point How is lateral magnification (ML) determined in a compound optical system? A ML = u/v B ML = v/u C ML = -v/u D ML = l'/l Question 27 1 Point https://interbb.blackboard.com/ultra/courses/_521127_1/outline/assessment/_28017864_1/overview/attempt/_20215586_1?courseId=_521127_1 Página 10 de 22 View Assessment 10/15/24, 2:35 p. m. Question 27 1 Point What happens to the magnification if the distance between lenses in a compound system is increased? A Magnification may change depending on focal lengths B Magnification becomes zero C Magnification remains the same D Magnification decreases Question 28 1 Point What is the purpose of using a combination of converging and diverging lenses in a compound system? A To make the system more complex B To correct aberrations and enhance image quality C To absorb more light D To increase the system's weight Question 29 1 Point What type of image is formed by a compound optical system if the object is outside the focal length of the first lens? A Real and erect B Virtual and inverted C Virtual and erect https://interbb.blackboard.com/ultra/courses/_521127_1/outline/assessment/_28017864_1/overview/attempt/_20215586_1?courseId=_521127_1 Página 11 de 22 View Assessment 10/15/24, 2:35 p. m. C Virtual and erect D Real and inverted Question 30 1 Point How can a virtual object be formed in a compound system? A When diverging rays prevent convergence before the next optical element B When all rays are parallel C When light is reflected back to the source D When light is absorbed before reaching the lens Question 31 1 Point What is the effect of lens separation (d) on the effective focal length of a compound system? A Can increase or decrease effective focal length B Increases the effective focal length C Separation has no effect D Decreases the effective focal length Question 32 1 Point How does a compound optical system affect light vergence? A It keeps the vergence constant https://interbb.blackboard.com/ultra/courses/_521127_1/outline/assessment/_28017864_1/overview/attempt/_20215586_1?courseId=_521127_1 Página 12 de 22 View Assessment 10/15/24, 2:35 p. m. A It keeps the vergence constant B It changes the vergence progressively through each element C It amplifies vergence exponentially D It reduces vergence to zero Question 33 1 Point What happens to light rays that pass through the optical center of a lens in a compound system? A They are refracted B They pass undeviated C They are reflected D They are absorbed Question 34 1 Point How is image position calculated in a compound optical system with two lenses? A By adding the focal lengths of both lenses B By subtracting the focal length of the second lens from the first C By calculating the sum of all object distances D By considering the image formed by the first lens as the object for the second lens Question 35 https://interbb.blackboard.com/ultra/courses/_521127_1/outline/assessment/_28017864_1/overview/attempt/_20215586_1?courseId=_521127_1 Página 13 de 22 View Assessment 10/15/24, 2:35 p. m. Question 35 1 Point What is the impact of a lens with a high refractive index in a compound optical system? A It reflects more light B It increases the weight of the system C It reduces the thickness required for a given focal length D It absorbs more light Question 36 1 Point What is the relationship between vergence (L), object distance (l), and refractive index (n)? A L=l/n B L=n/l C L=n*l D L=l+n Question 37 1 Point What is the impact of a lens with a short and positive secondary focal length in a compound system? A Decreases image brightness B Decreases overall magnification C Increases optical power and convergence https://interbb.blackboard.com/ultra/courses/_521127_1/outline/assessment/_28017864_1/overview/attempt/_20215586_1?courseId=_521127_1 Página 14 de 22 View Assessment 10/15/24, 2:35 p. m. D Increases image distortion Question 38 1 Point How is total system magnification affected by the use of multiple lenses in a compound system? A Total magnification is reduced B Total magnification is the product of individual magnifications C Total magnification remains constant D Total magnification is the sum of individual magnifications Question 39 1 Point What role does a negative lens play in a compound optical system? A It diverges light and can create virtual images B It absorbs stray light C It converges light to a point D It reflects light back to the source Question 40 1 Point How do compound optical systems minimize chromatic aberration? A By increasing the number of lenses https://interbb.blackboard.com/ultra/courses/_521127_1/outline/assessment/_28017864_1/overview/attempt/_20215586_1?courseId=_521127_1 Página 15 de 22 View Assessment 10/15/24, 2:35 p. m. B By using thicker lenses C By using combinations of materials with opposite abbe numbers properties D By decreasing the system's length Question 41 1 Point What is the effect of a diverging lens on parallel rays in a compound system? A Reflects rays back to the source B Absorbs rays completely C Converges rays to a real focus D Diverges rays to create a virtual focus Question 42 1 Point What happens to the total optical power when a converging lens is added to a compound system? A Total power remains unchanged B Total power decreases C Total power increases D Total power becomes zero Question 43 1 Point https://interbb.blackboard.com/ultra/courses/_521127_1/outline/assessment/_28017864_1/overview/attempt/_20215586_1?courseId=_521127_1 Página 16 de 22 View Assessment 10/15/24, 2:35 p. m. Question 43 What is the importance of the nodal points in a compound optical system? A They absorb light B They are points where light rays enter and exit with the same direction C They reflect light back D They are points of zero optical power Question 44 1 Point How does a compound optical system affect the field of view? A It always expands the field B It always narrows the field C It has no effect on the field of view D It can expand or narrow the field depending on design Question 45 1 Point What happens to the effective focal length when lenses in a compound system are closer together? A Effective focal length becomes infinite B Effective focal length increases C Effective focal length decreases https://interbb.blackboard.com/ultra/courses/_521127_1/outline/assessment/_28017864_1/overview/attempt/_20215586_1?courseId=_521127_1 Página 17 de 22 View Assessment 10/15/24, 2:35 p. m. D Effective focal length becomes zero Question 46 1 Point How is the effective power of a compound system with lenses of powers F1 and F2 calculated when separated by distance d? A F = F1 - F2 B F = F1 * F2 C F = F1 + F2 - dF1F2 D F = F1 + F2 Question 47 1 Point How does a compound system reduce spherical aberration? A By using plano lenses only B By using aspheric lenses or combining different curvatures C By increasing lens thickness D By decreasing lens thickness Question 48 1 Point What is the impact of compound systems on image distortion? A They have no effect on distortion https://interbb.blackboard.com/ultra/courses/_521127_1/outline/assessment/_28017864_1/overview/attempt/_20215586_1?courseId=_521127_1 Página 18 de 22 View Assessment 10/15/24, 2:35 p. m. A B They can correct or reduce distortion through careful design C They always increase distortion D They always eliminate distortion Question 49 1 Point How do compound systems enhance image brightness? A By using thicker materials B By decreasing lens separation C By increasing lens thickness D By optimizing the arrangement and coatings of lenses Question 50 1 Point You have a compound optical system consisting of two thin lenses. Lens 1 is a converging lens with a focal length of f1 = +10 cm, and Lens 2 is a diverging lens with a focal length of f2 = -15 cm. The lenses are separated by a distance of d = 25 cm. An object is placed 30 cm in front of Lens 1. Calculate the final image position and magnification produced by this two-lens system. What is the image distance d1 from Lens 1? A 25 cm B 10 cm C 20 cm D 15 cm https://interbb.blackboard.com/ultra/courses/_521127_1/outline/assessment/_28017864_1/overview/attempt/_20215586_1?courseId=_521127_1 Página 19 de 22 View Assessment 10/15/24, 2:35 p. m. D 15 cm Question 51 1 Point What is the magnification M1 of Lens 1? A -0.5 B +0.5 C +1.0 D -1.0 Question 52 1 Point **What is the object distance d2 for Lens 2?** A 10 cm B 5 cm C 20 cm D 15 cm Question 53 1 Point **What is the image distance (\(d_{i2}\)) from Lens 2?** A 5 cm B 6 cm https://interbb.blackboard.com/ultra/courses/_521127_1/outline/assessment/_28017864_1/overview/attempt/_20215586_1?courseId=_521127_1 Página 20 de 22 View Assessment 10/15/24, 2:35 p. m. B 6 cm C -6 cm D -5 cm Question 54 1 Point What is the magnification M2 of Lens 2? A +1.0 B -1.0 C -0.6 D +0.6 Question 55 1 Point What is the total magnification M of the system? A -0.5 B -0.3 C +0.5 D +0.3 Question 56 1 Point https://interbb.blackboard.com/ultra/courses/_521127_1/outline/assessment/_28017864_1/overview/attempt/_20215586_1?courseId=_521127_1 Página 21 de 22 View Assessment 10/15/24, 2:35 p. m. What is the nature of the final image? A Virtual and inverted B Real and upright C Real and inverted D Virtual and upright Additional content Drag and drop files here or click to add text. 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