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Find the focal length of a double-convex lens with `R_(1) = 15cm` and `R_(2) = -25CM`. The - YouTube
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![What is the focal length of double convex lens for which the radius of curvature of each surface is 60 cm ( n = 1.5) What is the focal length of double convex lens for which the radius of curvature of each surface is 60 cm ( n = 1.5)](https://haygot.s3.amazonaws.com/questions/2034635_1343247_ans_bc795333a9864149af903c75a6f9e6a4.jpg)
What is the focal length of double convex lens for which the radius of curvature of each surface is 60 cm ( n = 1.5)
The radii of curvature of the faces of a double concave lens are 10 cm and 15 cm.If focal length is 12 cm. What is the refractive index of glass?
![An unsymmetrical double convex thin lens forms the image of a point object on its axis. Will the position of the image change if the lens is reversed ? An unsymmetrical double convex thin lens forms the image of a point object on its axis. Will the position of the image change if the lens is reversed ?](https://haygot.s3.amazonaws.com/questions/1680744_1546461_ans_4ac2244766d041248b4c5bebb2901093.jpg)
An unsymmetrical double convex thin lens forms the image of a point object on its axis. Will the position of the image change if the lens is reversed ?
![Two symmetrical double convex lenses A and B have same focal length, but the radii of curvature differ so that ${{R}_{B}}=0.9{{R}_{A}}$. If ${{\\mu }_{A}}=1.63$, Find $\\mu_B$. Two symmetrical double convex lenses A and B have same focal length, but the radii of curvature differ so that ${{R}_{B}}=0.9{{R}_{A}}$. If ${{\\mu }_{A}}=1.63$, Find $\\mu_B$.](https://www.vedantu.com/question-sets/588ac575-b97a-4a0a-b2ba-b9bbc824cac79179685308106379180.png)
Two symmetrical double convex lenses A and B have same focal length, but the radii of curvature differ so that ${{R}_{B}}=0.9{{R}_{A}}$. If ${{\\mu }_{A}}=1.63$, Find $\\mu_B$.
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Lenses. Diverging and Converging Lenses Double Convex lenses focus light rays to a point on the opposite side of the lens. Double Concave lenses diverge. - ppt download
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![A double convex lens is made of glass of refractive index `1.55` with both faces of same radius ... - YouTube A double convex lens is made of glass of refractive index `1.55` with both faces of same radius ... - YouTube](https://i.ytimg.com/vi/3Za_YSqQ4LE/maxresdefault.jpg)
A double convex lens is made of glass of refractive index `1.55` with both faces of same radius ... - YouTube
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