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![By the relation between focal longth and radius of Curvature, (n-1) ( - ] f Ri R2 . n 1.5 Rg = 1.16 cm 0.7 cm (positive, as i](http://img.homeworklib.com/questions/89c50cb0-fd12-11ea-a2d8-69d8ade271d6.png?x-oss-process=image/resize,w_560)
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The cross-section of a glass lens with an index of refraction "1.5", is shown below. 1.16...
A certain thin lens is made of glass with refraction index ?lens=1.500. In air, where the...
A certain thin lens is made of glass with refraction index ?lens=1.500. In air, where the index of refraction is 1.000, the lens has focal length ?0=15.5 cm. What is the focal length ? of the lens when immersed in water, where the index of refraction is 1.330?
A certain thin lens is made of glass with refraction index nlens = 1.500. In air,...
A certain thin lens is made of glass with refraction index nlens = 1.500. In air, where the index of refraction is 1.000, the lens has focal length f0 = 26.5 cm. What is the focal length f of the lens when immersed in oil, where the index of refraction is 1.460?
18. A thin lens made of glass with the index of refraction versus wavelength as shown...
18. A thin lens made of glass with the index of refraction versus wavelength as shown in the figure. It has a focal length of magnitude 10.0 cm for green light. You shine a second laser light on the lens and find that the focal length now has a magnitude less than 10.0 cm. What color 1.545 could be the second laser? a. red b. blue c. also green d. It depends on whether the lens is converging or diverging...
The thick lens shown at right is made from glass with index of refraction 1.50. The...
The thick lens shown at right is made from glass with index of refraction 1.50. The thick lens has thickness of 6.0 cm and radii of curvature of 8.00 cm and 10.00 cm. (a) Find the focal length of this thick lens in air and the position of its focal points (F and F) and its principal points (H, and H,) with respect to the front and back of the lens respectively. (b) Draw a sketch showing the locations of...
1.) A lens is constructed using glass for which the index of refraction is 1.50 and...
1.) A lens is constructed using glass for which the index of refraction is 1.50 and when placed in air it has a focal length of 48 mm. Suppose the lens is placed in water. Does the focal length remain the same or change? If it changes, describe whether it is larger than or smaller than 48 mm. Explain your answer. 2.) A projector uses a convex lens to form an image of an object that is 4.0 cm tall....
A lens made from glass with an index of refraction of 1.66 had two convex surfaces, one with a ra...
A lens made from glass with an index of refraction of 1.66 had two convex surfaces, one with a radius of 30 cm and the other with a radius of 50 cm. What is the focal length of the lens if it is surrounded by air?
2. A convex lens of focal length 24 cm and refractive index of glass is 1.5....
2. A convex lens of focal length 24 cm and refractive index of glass is 1.5. Find the foca length of this lens if it is totally submerged into water of refractive index 1.33. A far sighted person cannot see objects clearly that are closer to the eye than 73 cm Determine the focal length of contact lenses that will enable this person to read a magazine at a distance of 25 cm. 4.
A lens is made from glass with an index of refraction of 1.66 for violet light...
A lens is made from glass with an index of refraction of 1.66 for violet light and 1.61 for red light. Both sides of the lens are convex with equal radii of curvature. For which color, violet or red, is the focal length larger? Explain how you know.
7. An object is placed at a distance of 80 cm left of a converging lens...
7. An object is placed at a distance of 80 cm left of a converging lens with a focal length of 30 cm. . Calculate the image distance. Is the image virtual or real? If the object is 8 cm tall, what is the size of the image? A diverging lens with the same focal length is placed 10 cm right of the first lens. Determine final image position and magnification. 8. A light ray strikes a flat piece of...
2. A sphere of glass with index of refraction n 1.7 and radius 5 cm has...
2. A sphere of glass with index of refraction n 1.7 and radius 5 cm has been cut, as shown below, to make a thin lens. The focal length of this lens is (the sign indicates converging or diverging, as usual, closest answer in cm) (a) -1.2 (b) 1.2 (c) -5.3 (d) 5.3 (e) -7.1 (f) 7.1
18. A thin lens made of glass with the index of refraction versus wavelength as shown in the figure. It has a focal length of magnitude 10.0 cm for green light. You shine a second laser light on the lens and find that the focal length now has a magnitude less than 10.0 cm. What color 1.545 could be the second laser? a. red b. blue c. also green d. It depends on whether the lens is converging or diverging...
The thick lens shown at right is made from glass with index of refraction 1.50. The thick lens has thickness of 6.0 cm and radii of curvature of 8.00 cm and 10.00 cm. (a) Find the focal length of this thick lens in air and the position of its focal points (F and F) and its principal points (H, and H,) with respect to the front and back of the lens respectively. (b) Draw a sketch showing the locations of...
2. A convex lens of focal length 24 cm and refractive index of glass is 1.5. Find the foca length of this lens if it is totally submerged into water of refractive index 1.33. A far sighted person cannot see objects clearly that are closer to the eye than 73 cm Determine the focal length of contact lenses that will enable this person to read a magazine at a distance of 25 cm. 4.
7. An object is placed at a distance of 80 cm left of a converging lens with a focal length of 30 cm. . Calculate the image distance. Is the image virtual or real? If the object is 8 cm tall, what is the size of the image? A diverging lens with the same focal length is placed 10 cm right of the first lens. Determine final image position and magnification. 8. A light ray strikes a flat piece of...
2. A sphere of glass with index of refraction n 1.7 and radius 5 cm has been cut, as shown below, to make a thin lens. The focal length of this lens is (the sign indicates converging or diverging, as usual, closest answer in cm) (a) -1.2 (b) 1.2 (c) -5.3 (d) 5.3 (e) -7.1 (f) 7.1
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