An astronomical telescope has an objective lens with a refractive power of 1.80 D. Determine the refractive power an eyepiece that will result in the telescope having an angular magnification of -121. Additional Materials M Reading

Q: Dennis has to wear glasses for refractive myopia. His near point is 30 cm and lens-to-retina…

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Q: A farsighted woman has a near point of 76.0 cm. What power eyeglasses held 2.00 cm from the eyes…

A: Power of eye glass to be used...P=

Q: The vision defect in which the lens of the eye become too weak is called O a. Myopia O b.…

A: Here we have to find out in which vision defect eye lens becomes weak.

Q: 2. An aperture stop in an optical imaging system cannot be used to determine A. Image resolution. B.…

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Q: Q5) The eyepiece of a refracting telescope has a focal length of 9.00cm. The distance between…

A: Eyepiece focal length, f = 9 cm Distance between eyepiece and objective, d = 1.8 m = 180 cm Angular…

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A: Note that here 4 lenses are not interrelated to each other. We need to solve the given questions for…

Q: Problem 4: Oscar has an old-fashioned lantern projector that uses a candle and a lens to project a…

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Q: A lens maker is creating eyeglasses for a farsighted patient, whose near point is 100 cm. The lens…

A: Given,Image distance, v = -100 cmobject distance, u = 15 cmrefractive index of lens, n = 1.5radius…

Q: Q4. A convex lens has a focal length of 10cm. What is the power of the lens? O 5D O 20D O 10D 3D

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Q: Part A The distance between the objective and eyepiece of a telescope is 96 cm The focal length of…

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Q: Reading glasses with a power of +1.25 diopters make reading a book comfortable for you when you wear…

A: in this question  we use lens equation and focal length equation with power. here power is in  +ve…

Q: Problem 2: Suppose a person's eyes have a relaxed power of 50.87 D. Assume a 2.00 cm distance from…

A: Write the expression for the relaxed power.

Q: Your physics TA has a far point of 0.627 m from her eyes and is able to see distant objects in focus…

A: The far point from the eyes of TA is = 0.627 mThe refractive power of glass is = -1.67 DWe have to…

Q: A farsighted person has a near-point located 6.2 m from the eye. Find the refractive power of…

A: Given data The farsightedness of the person is given as u = -6.2 m. The image distance is given as…

Q: A person with a near point of 80 cm needs to read from a computer screen that is 41 cm from her eye.…

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Q: A particular type of glass has an index of refraction of 1.75. What is the speed of light in this…

A: Refractive index of an optical medium is defined as the ratio of speed of light in free space to…

Q: A 60-year-old man has a near point of 100 cm. What refractive power reading glasses would he need to…

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Q: 2 Telescope One telescope design is to use a converging lens as the "objective" with focal length f₁…

A: object distance, u_{1} = - 100 - m   focal length, f_{1} = 2 - m   From the lens formula, Hence,…

Q: w9-17 A refracting telescope is used to view the Moon. The focal lengths of the objective and…

A: The objective of this question is to find the distance between the lenses of a refracting telescope…

Q: Question: A meniscus lens has an edge thickness of 5 mm and a diameter of 40 mm. If the sag of the…

A: Given, edge thickness is, e = 5mm sag of convex surface is, S1 = 1.2mm sag of other surface is, S2 =…

Q: The near point of a certain hyperopic eye is 200 cm in front of the eye. Find the focal length and…

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Q: what will happen if an eyeglasses has: a. two converging lens b. two diverging lens c. both…

A: if an eyeglasses has both converging and diverging lens

Q: A. Different wavelengths of light are focused at slightly different locations. B. The quality of the…

A: Refracting telescopes use lenses to focus the light, and reflecting telescopes use mirrors.there are…

Q: 1. When prescribing a corrective lens for a farsightedness, is it true that the larger the distance…

A: By lens formula  P = 1/f = 1/v - 1/u  If u is larger than power will be maximum

Q: You have a convex lens with a focal length of 8.6 cm. You want to use it to project an image from…

A: The focal length of convex is f=8.6 cm.The image distance is di=181 cm.The expression for the…

Q: What is the different between X the Converging and Diverging lenses according to 1- Focal Length 2-…

A: Converging lens: The lens which is thicker at the middle and thinner at the edges is called…

Q: Problem 9: A cylındrical capacitor 1s made of two concentric conducting cylınders. The inner…

A: Using the Gauss’s law, in the region R1 < r < R1, first we will draw the Gaussion surface at r…

Q: he vision defect in which the power of the eye lens become too strong is called O a. Farsightedness…

A: Nearsightedness/ Myopia -Vision defect in which power of lens increases and the person can see only…

Q: Myopia a) A person with myopia has a far point of 0.2 m. What power contact lens would they need to…

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Q: Large astronomical telescopes always use as objective: A. lens B. mirror C. combinations of lenses…

A: Astronomical telescopes: Astronomical telescopes: s a devise which is used for observing distinct…

Q: A farsighted woman has a near point of 78.0 cm. What power eyeglasses held 1.90 cm from the eyes…

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Q: Oscar has an old-fashioned lantern projector that uses a candle and a lens to project a slide onto…

A: Diagram, Given, Slide is object, u = -1.3 cm Image is on the screen hence it is real in nature.…

Q: A farsighted woman has a near point of 76.0 cm. What power eyeglasses held 1.90 cm from the eyes…

A: Object distance = 25 cm

Q: 2. Which lens focuses light in a shorter distance, a +20D or a +7D lens? Explain.

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Q: A 1.10-cm-tall candle flame is 3.80 m from a wall. You happen to have a lens with a focal length of…

A: Every lens has a definite focal point. The point where all the rays coming from far distance,…

Q: A farsighted woman has a near point of 71.0 cm. What power eyeglasses held 1.90 cm from the eyes…

A: Given Data: Let us consider the given data, Near point =71.0 cm. Near point from lens =71-1.90 cm.…

Q: 6. The picture size on ordinary 35-mm camera film is 24 x 36 mm. Focal lengths of lenses available…

A: a. Given,  Object distance, u=150m Image size, I'=24×10-3m Object size, O'=100m Let the image…