Find the angular magnification obtained with a micro- scope, using an objective with an angular magnification of 50 and an ocular with an angular
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Q: What is the angular magnification of a microscope using an objective with a magnification of 27.5…
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Q: A person with a range of vision from 63 cm to ∞ uses a 16 cm focal length magnifier. (a) Find the…
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A: A) power (P) = -0.45 D
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Q: An optometrist determines that a patient cannot clearly see any object that lies closer than 54.8 cm…
A: A patient cannot clearly see any objects that lies closer than 54.8 cm to the patient's eye.
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Q: Use the worked example above to help you solve this problem. A diverging lens of focal length f =…
A: alocate the image , state whether, its real or virtual and its magnification.object distanceu=-27.0…
Q: to ∞ uses a 12 cm focal length magnifier. (a) Find the angular magnification when the magnifier is…
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- An individual is nearsighted; his near point is 17.0 cm and his far point is 49.0 cm. (a) What lens power is needed to correct his nearsightedness? diopters(b) When the lenses are in use, what is this person's near point?A compound microscope has a barrel whose length is 16.0 cmand an eyepiece whose focal length is 1.4 cm. The viewer has a near pointlocated 25 cm from his eyes. What focal length must the objective have sothat the angular magnifi cation of the microscope will be -320?Where does an object need to be placed relative to a microscope for its 0.50 cm-focal length objective to produce a magnification of −400?
- Use the worked example above to help you solve this problem. The near point of a patients eye is 50.0 cm. (a) What focal length must a corrective lens have to enable the eye to see clearly an object 28.5 cm away? Neglect the eye-lens distance. 50 x cm (b) What is the power of this lens? 2 diopters (c) Repeat part (b), taking into account the fact that, for typical eyeglasses, the corrective lens is 2.00 cm in front of the eye. 2.26 X dioptersQuestion in attachment .Problem 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 person with a range of vision from 56 cm to ∞ uses a 18 cm focal length magnifier. (a) Find the angular magnification when the magnifier is used with the eye relaxed. (b) Find the angular magnification when the magnifier is used with the eye focused at its near point.During LASIK eye surgery (laser - assisted in situ keratomileusis), the shape of the cornea is modified by vaporizing some of its material. If the surgery is performed to correct for nearsightedness, how does the cornea need to be reshaped?Question is below