8. Given a biconvex lens made of glass of index 1.5. The magnitude of the radius of curvature is the same for both surfaces. The lens has a focal length of 75 mm. What focal length would the lens have if it had the same surface curvatures but an index of 3.0? Express in millimeters.
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A: Introduction: When object is placed between the focal point and the Converging lens: The image…
Q: 2. A diverging lens has a focal length that has a magnitude of 34.0 cm. An object is placed 15.5 cm…
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A: Index of refraction, μ = 1.33Radius of curvature, R1 = -0.521 m (front) Radius of curvature, R2 =…
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A: Answer 32.3125 cm Solution
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Q: 6. An object is placed 20.0 cm in front of a converging lens with a focal length of 15.0 cm. This…
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Q: 14. A person on a safari wants to take a photograph of a hippopotamus from a distance of 75.0 m. The…
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A: A student build a setup to measure the focal length of the lens C
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Q: A lens that is constructed from a glass, whose index of refraction is 3, has a focal length of 22…
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Q: On one side of a diverging lens of focal length 27.3 cm, you position an object of height 3.24 cm…
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A:
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- 13. An object is placed at a distance of 10.0 cm from a diverging lens of focal length 5.00 cm. Which of the following is the image formed? di = +3.33 cm and M = -0.333 di = -10.0 cm and M = +1.00 di = 10.0 cm and M = -1.00 di = -3.33 cm and M = +0.333What is the amount of magnification of a refracting telescope whose objective lens has a focal length of 1.0 m and whose eyepiece has a focal length of 25 mm? а. х 8.0 O b.x 40 Ос. х 32 d.x 16 О е.х 24The nearpoint of an eye is 55 cm. A corrective lens is to be used to allow this eye to clearly focus on objects 25 cm in front of it. What should be the focal length of this lens? Answer in units of cm. What is the power of the needed corrective lens? Answer in units of diopters.
- A camera is equipped with a lens with a focal length of 22 cm. When an object 1.8 m (180 cm) away is being photographed, how far from the film should the lens be placed? cm4. A convex (converging) lens produces a real, inverted image of an object that is magnified 2.20 times when the object is 37.0 cm from the lens. What is the focal length of the lens? cmA convex lens (i.e. with R1 > 0 and R2 < 0 with left and right radii of curvature of magni- tudes 16.5 cm and 18.5 cm has an index of refraction n of 1.55. What is the focal length of the lens? О А. 15.9 сm ОВ. 23.1 ст О С. 30.3 сm O D. 44.8 cm
- 7. Two 10.0 cm focal length lenses are placed 20.0 cm away from each other. An object sits 5.00 cm to the left of the first lens. Draw its final image. 8. Two 10.0 cm focal length lenses are placed 20.0 cm away from each other. An object sits 15.00 cm to the left of the first lens. Draw its final image.5. A convex lens forms an image of a soda can. The image is 2 cm tall and appears 8 cm from the lens. The height of the soda can is 10 cm. (a) Include a drawing/ray diagram of this setup, (b) Where is the can located (object distance) and (c) what is the focal point of this lens?6. An object is placed 8.5 cm in front of a convex (converging) spherical lens. Its image forms 3.9 cm in front of the lens. What is the focal length of the lens? * O 19 cm 9.6 cm 2.7 cm 6.1 cm 口 L
- 6. A thin converging lens of focal length f =+12.0 cm is separated from a thin diverging lens by a distance d = 24.0 cm . The focal length of the second lens is f, =-48.0 cm. An object with height y = 4.20 cm is placed on the optical axis at p, =18.0 cm in front of the first lens. Pay attention to +/- signs. What is the location of the image produced by the first lens alone, i ? а. b. What is the lateral magnification m , produced by the first lens alone? с. Where is the final image of the two lens system located relative to the second lens (i.e. what is i,)? d. What is the total magnification of the two lens system, M ? What is the height of the final image, y, ? е. R/V? - Is the final image real or virtual? g. I/NI? - Is the final image inverted or not inverted (relative to the object in front of the first lens)? f.44 Find the focal length of a glass lens that has an index of refraction equal to 1.62, a concave surface that has a radius of cur- vature of magnitude 100 cm, and a convex surface that has a radius of curvature of magnitude 40.0 cm.xxi