Question: What is the edge thickness of a -5.00 D biconcave glass lens (n = 1.523), f the center thickness is 10 mm, and the diameter is 60 mm? ANS. Edge thickness = 5.7 mm

Q: An object 19 cm high is 40 cm from a concave mirror of 29 cm focal length. (a) What is the image…

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Q: A double convex thin glass lens has an index of refraction n=2.50. The magnitude of the radii of…

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Q: Q.2/ A plano-convex lens is to be constructed out of glass so that a focal length of 40 cm. what is…

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Q: A lens with a refractive index of 1.5 has a radius of curvature R on both surfaces. a) Find the…

A: To find the focal length of the lens in terms of the radius of curvature R , we can use the…

Q: A diverging lens has a focal length of –14.3 cm. A7.98-cm object is placed 39.5 cm from the lens.…

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Q: Scm A 1) The focal length of the convex lens in meter is Answer 2) The image of the object formed…

A: (1) From the figure, the focal length of the lens is 5 cm. Convert into meters. f=5 cm1 m100 cm=0.05…

Q: A person is having farsightedness vision defect because, а. the eye become too long b. the eye…

A: Here given a person having farsightedness vision defect. We have to define the reason.

Q: Which of the following is NOT an advantage that a larger lens has over a smaller lens (all other…

A: While a larger aperture diameter might increase the brightness and sharpen the focus, increasing the…

Q: A 35 mm camera equipped with a 45 mm focal length lens is used to photograph a tree 15 m tall. The…

A: Solution - Lens equation - Lens equation or lens formula is an equation that relates the focal…

Q: The focal length of a convex lens is given to be 17 cm. Its magnification is -2.5. (a) What is the…

A: Focal length of convex lens (f) = 17 cm Magnification = - 2.5

Q: An object is placed 18.0 cm. to the left of the (a) convex lens and (b) the concave lens shown…

A: (a). Given data: The refractive index of both the lens is n=1.5 The radius of curvature of each lens…

Q: o The radiys of Curvat ure of surfaces double Convex len s are Ri=R2 = b0 Cm- The refractive index…

A: Answer:-  Given  Radius (R1) = 50 cm  Radius (R2) = - 50 cm  Refractive index (n) = 1.5  Power of…

Q: Focal length of a lens is 0.2 m, its power and the type lens will be: O a. 50D,Concave lens O b.…

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Q: A person is having nearsightedness vision defect because, O a. the eye become too short Ob. no…

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Q: It shows a thin converging lens with radius R1 = 9 cm and R2 = -11 cm. This lens is placed in front…

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Q: In a compound microscope the distance between the objective lens and the eyepiece is 22.53 cm. The…

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Q: "When an object is placed 24 cm from a converging lens that produces an inverted image. The image…

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Q: A converging lens is placed 28.0 cm to the right of a diverging lens of focal length 8.0 cm. A beam…

A: The given data are listed below with suitable variables. Here, d denotes the distance between the…

Q: A concave lens has a focal length of -3 cm. A candle with a height of 10 cm is 28 cm away from the…

A: Given: focal length f = -3 cm            object distance u = -28 cm            height of the object…

Q: The incident light ray enters water from air with an angle of incidence 0;= 47.9°. nair-1.00.…

A: The angle of incidence θi=47.9° The refractive index of air: nair=1.00 The refractive index of…

Q: A diverging lens always makes a reduced image. Could you use such a lens to start a fire by focusing…

A: Lenses are of two types converging and diverging. The light gets refracted through a lens.   A…

Q: An object of height of diameter 20 cm is placed 12 cm in front of a diverging lens with a focal…

A: Given that: The object height is 20 cm The distance of the object is u=-12 cm The focal length is…

Q: 1)lf a lens with a diameter of 50 mm and a focal length of 25.4 cm has a longitudinal spherical…

A: As per the guidelines, I will solve only the first question> Please repost the second question…

Q: Q1 a) The eyepiece of a refracting telescope has a focal length of 9.00cm. The distance between…

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Q: DA s radi Of Curvaturve 8(cm) and 1o Cem) Rind Th JengTh and bositi on of Ro Cal Point and The prin…

A: The formula for focal length is given by 1f=n-11R1-1R2 Where n = reflective index R1 and R2 are the…

Q: S. A nearsighted man uses his ideally prescribed eyeglasses that have a refractive power of -2.50…

A: Given: The power of prescribed eyesight is P = -2.5 D. Distance between the eye and lens = 2.7 cm.

Q: A magnifying glass forms an image of a 4.00-mm-tall thumb tack that is to the left of the lens. The…

A: The magnification, M=2   The height of the image, ho=4.0 mm

Q: What is the frequency of infrared light of 1.0*10^-4 wavelength?

A: Given that-Wavelength, λ=1×10-4 mWe know that-frequency, f=cλwhere, c is velocity of…

Q: As shown in the figure below, a biconvex thin lens located 133 cm from a screen, projects onto it an…

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Q: Your glasses allow you to comfortably see objects that are very far away. What is the foal length of…

A: To see the distant objects

Q: A lens has a focal length of 5 cm. The object is 25 cm away from the center of the lens. Calculate…

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Q: A nearsighted woman can't see objects clearly beyond 41.7 cm (her far point). If she has no…

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Q: 4+ f The figure shows light rays passing through a convex lens. The focal length is f = 1 cm and the…

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Q: A person is having farsightedness vision defect because, а. the eye become too short O b. the eye…

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Q: A 4.99 mm high diamond is placed on the axis of, and 12.7 cm from, a lens with a focal length of…

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