A contact lens is made of plastic with an index of refraction of 1.58. The lens has an outer radius of curvature of +2.06 cm and an inner radius of curvature of +2.53 cm. What is the focal length of th

Q: An object’s distance from a converging lens is 10.2 times the focal length. How far is the image…

A: Let f be the focal length of the converging lens. From the question, we have Object Distance,…

Q: A double-convex thin lens is made of glass with an index of refraction of 1.56. The radii of…

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Q: A concave lens forms a virtual image 0.5 times the size of the object. The distance between object…

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Q: A student attempts to determine the focal length of a mirror through graphical analysis. They make…

A: From the graph, the focal length of mirror is reciprocal of distance between origin and point of…

Q: A lens has a power +2.0 D. The type of lens and its focal length will be: A) Concave, -0.5 m B)…

A: The power of a lens is defined as the ability of the lens to bend the incident light from its…

Q: a) The inverse of the focal length (f) of a thin lens surrounded by air is given by the lens-maker's…

A: 1. TRUE 2.FALSE 3. FALSE

Q: A convex mirror has the focal length with magnitude equal to 0.375 m. An object is place 0.515 m in…

A: The magnification of the image is given by the formula,  where  is the image distance            is…

Q: The figure shows an object and its image formed by a thin lens. Assume that d1 = 0.721 m, d2 = 0.524…

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Q: An optician is designing a contact lens. The material has is an index of refraction of 1.40. In…

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Q: 1.11 letter B

A: Given parameters of a plano-convex lens,

Q: The lenses in the figures below are all made of glass of index 1.50 and have surfaces with radii of…

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Q: A camera is equipped with a lens with a focal length of 28 cm. When an object 1.5 m (150 cm) away is…

A: Answer Given data  Focal length of lens f = 28 cm Object distance u = 1.5 m = 150 cm We have to find…

Q: An object 2.0 cm tall is placed 25.0 cm in front of a convex mirror having a focal length of…

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Q: An object's distance from a converging lens is 6.59 times the focal length. (a) Determine the…

A: Given Data: Focal length = f.Object distance (u) = 6.59 f. To Determine: (a). The location of the…

Q: The human eye can be approximated by a two-lens optical system. Light enters the eye and first…

A: The human eye is very similar to a microscope. Human eye consists of two lens, one is crystalline…

Q: VARIANT 2 1. A converging lens of focal length 15.0 cm forms an image of each of two objects placed…

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Q: A convex (converging) lens produces a real, inverted image of an object that is magnified 2.30 times…

A: It is given that, the image produced by a convex lens is real and inverted. Let us say that the…

Q: For each lens shown below, (a) calculate its focal length f and states if the lens is converging or…

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Q: farsighted senior citizen needs glasses with a focal length of 45 cm. What is the power of the…

A: Given Focal length of lens, =  F = 45 cm  F = 0.45 m  Power of the lens is ,P =???

Q: An object 4.8 cm tall is 38.0 cm from a concave lens. The resulting image is two-fifths as large as…

A: Let us say that the object distance is ‘u’ and the image distance is ‘v’ from the optical centre of…

Q: A contact lens is made of plastic with an index of refraction of 1.35. The lens has an outer radius…

A: Given Formula to be used to find the focal length of the lens is

Q: A concave spherical mirror forms a real image 1.36 times the size of the object. The object distance…

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Q: An object is placed 48 cm in front of a thin lens. If an image forms at a distance of 12 cm from the…

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Q: 3. A prescription for a corrective lens calls for +3.50 diopters. The lens maker grinds the lens…

A: Given: The power of the lens is +3.5 D. The refractive index of the glass is 1.56. The radius of…

Q: The figure shows an object and its image formed by a thin lens. Assume that d1 = 0.693 m, d2 = 0.664…

A: Given data:Object distance: Image distance: Object height: Concept: In optics, the focal length of…

Q: A double-convex thin lens is made of glass with an index of refraction of 1.55. The radii of…

A: Given,  index of refraction =1.55 One glass radius = 57cm Secone glass radius = - 75cm We need to…

Q: A concave makeup mirror is designed so that a person 27.8 cm in front of it sees an upright image…

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Q: The angular magnification of a microscope is 440× when the final image is at infinity. The optical…

A: Compound microscopes are used to get magnified images of tiny objects. It consists of two convex…

Q: If you view a person through a negative lens (diverging), they appear much smaller than they…

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Q: A lens maker has to grind a convex lens with a focal length of 80.0 cm. The glass used for the lens…

A: Given  Focal length of lens=80cm Refractive index of glass=1.5 Radius of curvature of front…

Q: A lens that is constructed from a glass, whose index of refraction is 3, has a focal length of 22…

A: Given data: Index of refraction of first lens (μ1) = 3 Focal length of first lens (f1) = 22 cm Focal…

Q: Problem 14:  Some telephoto cameras use a mirror rather than a lens to magnify distant objects.…

A: Given    Focal length of telephoto lens        f= 650 mm     Therefore ,  Focal length of the mirror…

Q: The figure shows an object and its image formed by a thin lens. Assume that d1 = 0.552 m, d2 = 0.398…

A: Object distance (u)= d1=0.552 m Image distance (v)=

Q: b) A lens forms an image of an object. The object is 16.0cm from the lens. The image is 12.0cm from…

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Q: a) Find the focal length of a thick, double convex lens with an index of refraction of 1.48, a…

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Q: A convergent lens of focal length 19 cm gives a real image that is 3.1 times larger than the object.…

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Q: Q.1/ Find the focal length of a plano-convex lens, the radius of the curved surface being 10 cm…

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Q: A contact lens is made of plastic with an index of refraction of 1.54. The lens has an outer radius…

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Q: The left face of a biconvex lens has a radius of curvature of magnitude 12.0 cm, and the right face…

A: Given   Index of refraction of the glass μ=1.44

Q: Some telephoto cameras use a mirror rather than a lens to magnify distant objects. What radius of…

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