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Chapter 34, Problem 041 A lens is made of a transparent material having an index of...
An object placed 20 cm in front of a lens results in an image being formed...
An object placed 20 cm in front of a lens results in an image being formed 24 cm behind the lens. Each surface of the lens is convex (bulging away from the optical plane) with the same radius of curvature, and the index of refraction of the glass composing the lens is Tiens =1.4. What is the radius of curvature of either side of this lens (to the nearest tenth of a cm)? Note, once again, the focal length of...
The crystalline lens of the human eye is a double-convex lens made of material having an...
The crystalline lens of the human eye is a double-convex lens made of material having an index of refraction of 1.44 (although this varies). Its focal length in air is about 8.00 mm , which also varies. We shall assume that the radii of curvature of its two surfaces have the same magnitude. (Note: The results obtained in the parts A, B and C are not strictly accurate, because the lens is embedded in fluids having refractive indexes different from...
A candle name 9.10 cm from a lens produces a real image 13.30 cm from the...
A candle name 9.10 cm from a lens produces a real image 13.30 cm from the lens. The lens has one flat side and one curved side, is made of glass with an index of refraction of 1.52, and is surrounded by air, (a) Calculate the focal length of the lens. Be sure to include the appropriate sign and units. (b) Calculate the radius of curvature of the curved side of the lens. (c) Is the curved side convex or...
A typical human lens has an index of refraction of 1.41. The lens has a double convex shape, but ...
A typical human lens has an index of refraction of 1.41. The lens has a double convex shape, but its curvature can be varied by the ciliary muscles acting around its rim. At minimum power, the radius of the front of the lens is 10.0 cm, while that of the back is 6.00 mm. At maximum power the radii are 6.00 mm and 5.50 mm, respectively. (The numbers can vary somewhat.) If the lens were in air, (a) what would...
1) A single bi-convex lens (a lens with two convex surfaces) made of fused quartz (index...
1) A single bi-convex lens (a lens with two convex surfaces) made of fused quartz (index of refraction n = 1.46) has surfaces with radii of curvature r1 = 17.0 cm and r2 = -17.0 cm. What is the focal length of the lens in air? Tries 0/12 2) If an object is placed at p = 36.4 cm from the lens, where is the image? (Use plus sign for a real image, and minus sign for a virtual image.)...
5. What was the focal distance (f) when the radius of curvature was 0.8 and index...
5. What was the focal distance (f) when the radius of curvature was 0.8 and index of refraction was 1.6? 6. Calculate the radius of curvature of a lens with a focal distance of 40.0 cm and an index of 1.2. 7. An object placed 3cm away from a lens projects a real image 0.6m behind the lens. What is this lens focal distance? 8. What is the lens magnification? 9. An object 20.0 cm to the left of a...
A typical human lens has an index of refraction of 1.430. The lens has a double...
A typical human lens has an index of refraction of 1.430. The lens has a double convex shape, but its curvature can be varied by the ciliary muscles acting around its rim. At minimum power, the radius of the front of the lens is 10.0 mm, whereas that of the back is 6.00 mm. At maximum power, the radii are 6.50mm and 5.5mm, respectively. If the lens were in air: What would be the maximum power and associated focal length...
o Consider a thin double concave lens, with each face having a radius of curvature of...
o Consider a thin double concave lens, with each face having a radius of curvature of 35 cm. The glass composing the lens has an index of refraction of 1.4 1.What is the focal length of this lens? 2.If an 1 cm object is placed at 1.5x the focal length, where is the image and how big is it, according to the thin lens equation? 3.Is the image real or virtual? Right side up? Hint: when sketching your ray diagram,...
A typical human lens has an index of refraction of 1.430. The lens has a double...
A typical human lens has an index of refraction of 1.430. The lens has a double convex shape, but its curvature can be varied by the ciliary muscles acting around its rim. At minimum power, the radius of the front of the lens is 10.0 mm, whereas that of the back is 6.00 mm. At maximum power, the radii are 6.50 mm and 5.50 mm, respectively. If the lens were in air, what would be the maximum power and associated...
Problem 1. A concave-convex lens with index of refraction n = 3/2, radii of curvature R1...
Problem 1. A concave-convex lens with index of refraction n = 3/2, radii of curvature R1 = ?3cm and R2 = 1cm is 4cm to the left of a diverging lens having focal length ?2cm. An object is placed to the left of both lenses at a distance 7 cm from the concave-convex lens. (a) Where is the final image formed by this combination of lenses? (b) Is the final image upright or inverted? (c) Is the final image real...
An object placed 20 cm in front of a lens results in an image being formed 24 cm behind the lens. Each surface of the lens is convex (bulging away from the optical plane) with the same radius of curvature, and the index of refraction of the glass composing the lens is Tiens =1.4. What is the radius of curvature of either side of this lens (to the nearest tenth of a cm)? Note, once again, the focal length of...
A candle name 9.10 cm from a lens produces a real image 13.30 cm from the lens. The lens has one flat side and one curved side, is made of glass with an index of refraction of 1.52, and is surrounded by air, (a) Calculate the focal length of the lens. Be sure to include the appropriate sign and units. (b) Calculate the radius of curvature of the curved side of the lens. (c) Is the curved side convex or...
5. What was the focal distance (f) when the radius of curvature was 0.8 and index of refraction was 1.6? 6. Calculate the radius of curvature of a lens with a focal distance of 40.0 cm and an index of 1.2. 7. An object placed 3cm away from a lens projects a real image 0.6m behind the lens. What is this lens focal distance? 8. What is the lens magnification? 9. An object 20.0 cm to the left of a...
o Consider a thin double concave lens, with each face having a radius of curvature of 35 cm. The glass composing the lens has an index of refraction of 1.4 1.What is the focal length of this lens? 2.If an 1 cm object is placed at 1.5x the focal length, where is the image and how big is it, according to the thin lens equation? 3.Is the image real or virtual? Right side up? Hint: when sketching your ray diagram,...
A typical human lens has an index of refraction of 1.430. The lens has a double convex shape, but its curvature can be varied by the ciliary muscles acting around its rim. At minimum power, the radius of the front of the lens is 10.0 mm, whereas that of the back is 6.00 mm. At maximum power, the radii are 6.50 mm and 5.50 mm, respectively. If the lens were in air, what would be the maximum power and associated...
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