D = 85 cm P1 = 55 cm f2 = 30 cm f1 = -25 cm
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calculate final image location w/ respect to second lens and calculate magnification factor using double lens system
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- A farsighted person cannot see objects closer to the eye than 80 cm. Determine the power of the spectacle lens which will enable her to read at a distance of 25 cmPlease no hand writing solutionFor normal vision a healthy point is 25cm and a healthy fat point is infinityYour mom has a near point of 69cm. is your mom considered near or far sighted? your mom wears glasses to correct her vision that sit 1.76cm from her eye. How far from the lenses do her glasses form an image. what is your moms prescription number in diopters does your mom require converging or diverging lens
- The power in Diptera of the spectacle lens that will enable a near-sighted person to see distant objects clearly is -2D. What is the maximum distance the person can see without wearing the contact lens?3) For a thin lens made out of BK7 glass working at f/4 and f-100 mm, lens how much axial focal change is there for one wave of defocus; the object is at infinite.5. An object of height ho is situated a distance do, from a converging lens of focal length f. Draw a diagram labeling the object, its associated image, the lens, its foci, and the object and image distances in correct proportion to each other along with the 3 principal rays used for locating the images for the case of an object distance greater than the focal distance.
- 4. Your Aunt Sonia has vision with a near point of 65 cm and a far-point of . Calculate the: a) focal length, and b) Lens Power, of corrective optics (glasses) that you should get for her at the drug store so that objects placed at the normal near point (25 cm) will be in focus. Assume that both eyes need the same correction and that the lenses will be placed 2 cm in front of her eyes. (Hint: for an object placed at the normal near point, the lens must form an image of the object at her near point).helpQuestion in attachments