A camera was used to project an image of an object 20cm in height and 10mm from the hole. Determine the object distance, magnification and object height.
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A camera was used to project an image of an object 20cm in height and 10mm from the hole. Determine the object distance, magnification and object height.
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- A double convex lens has radii of 5 cm and 20 cm, a thickness of 2 cm and an index of 1.5. Locate the principal planes and focal points and compute the image distance for an object 16.4 cm in front of V₁. Determine the ffl and bfl.EXPERIMENT - FOCAL LENGTH OF THE GIVEN LENS Objective: (a) To investigate the properties of the given lens. (b) To investigate the images formed by the lens for various object positions. (c) To measure the focal length of the lens. Formulae: 1 1 + u 1 1 P = f V Apparatus used in this Experiment: Experimental data Physical Quantity Its Value in cm Image distance in cm 24.5 Object distance in cm 17 Answer the following: Question - 1 Among the 2 distances mentioned in the table, which distance is fixed and which is measured ? 1. Fixed distance - 2. Measured distance -The person cannot see the objects beyond 15.0 cm distance from the eye. This means, the far point of the person’s eye is 15.0 cm.
- A movie screen is 30.6 meters (100 feet) wide. Images from a 35-mm wide film are projected onto this screen. Suppose that the screen is located a distance of 46 m from the projector. Determine the magnification of the image.In sports photography, one often needs a long telephoto lens with a large aperture. As a designer, you will work with engineers to design some new lens.“ (i) Suppose you want to have an 500mm lens with aperture f/4. Calculate the required iris diameter. Round your answer to the nearest integer and state its unit. “ |(ii) Suppose you want to have a 700mm lens with a surface area of 12271.8463mm². Calculate the f-number. Correct your answer to 2_decimal places.Needs Complete solution with 100 % accuracy.
- In a compound microscope, the objective has a focal length of 1.0 cm, the eyepiece has a focal length of 2.0 cm, and the tube length is 25 cm. What is the magnitude of the overall magnification of the microscope?An olive is at the bottom of a glass of alcohol (n = 1.36), 6.00 cm beneath the surface. Above the alcohol is air. To a person in the air, who is directly above the olive, what is the apparent depth d' of the olive. d' = Number i UnitsProblem 12: A student wears eyeglasses of power P = -3.75 diopter to correct nearsightedness. The glasses are designed to be worn d = 1.3 cm in front of the eye. Part (a) Input an expression for the far point the student can see without correction, do. Part (b) Numerically, what is the distance in meters?
- A forensic scientist examines a hair from a crime scene using a microscope with a 15x objective and a 5x eyepiece. How far is the hair from the goal? Assume L = 160 mm in length.A simple compound microscope with an overall magnification of -550 has an objective that magnifies by -250. Part (a) What is the magnification of the eyepiece? me = Part (b) If there is another objective that can be used, having magnification of -400, what other total magnification is possible? m =Photographs at a scale of S are required to cover an area X - mi square. The camera has a focal length and focal plane dimensions of 9 * 9in . If endlap is 60% and sidelap 30\% how many photos will be required to cover the area for the data given below? ▾ Part A S = 1/6500 ; X = 8 f = 152.4mn Express your answer as an integer.