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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?
![Find the focal length of a double-convex lens with `R_(1) = 15cm` and `R_(2) = -25CM`. The - YouTube Find the focal length of a double-convex lens with `R_(1) = 15cm` and `R_(2) = -25CM`. The - YouTube](https://i.ytimg.com/vi/h_7YJQN-xcg/maxresdefault.jpg)
Find the focal length of a double-convex lens with `R_(1) = 15cm` and `R_(2) = -25CM`. The - YouTube
![A double convex lens has focal length 25 cm. The radius of curvature of one of the surfaces is d... - YouTube A double convex lens has focal length 25 cm. The radius of curvature of one of the surfaces is d... - YouTube](https://i.ytimg.com/vi/LKbnPDHi5l4/maxresdefault.jpg)
A double convex lens has focal length 25 cm. The radius of curvature of one of the surfaces is d... - YouTube
![SOLVED:(I) A double concave lens has surface radii of 34.2 cm and 23.8 cm . What is the focal length if n=1.52 ? SOLVED:(I) A double concave lens has surface radii of 34.2 cm and 23.8 cm . What is the focal length if n=1.52 ?](https://cdn.numerade.com/previews/7d9524ee-e50f-4cc5-8b2e-dd86f7cd1603_large.jpg)
SOLVED:(I) A double concave lens has surface radii of 34.2 cm and 23.8 cm . What is the focal length if n=1.52 ?
![What is the focal length of double concave lens kept in air with two spherical surface of radii ${{R}_{1}}=30cm$ and ${{R}_{2}}=60cm$. Take the refractive index of the lens as $\\mu =1.5$. What is the focal length of double concave lens kept in air with two spherical surface of radii ${{R}_{1}}=30cm$ and ${{R}_{2}}=60cm$. Take the refractive index of the lens as $\\mu =1.5$.](https://www.vedantu.com/question-sets/beedec40-bb0b-457c-9326-197b8780508b8490719313182854849.png)
What is the focal length of double concave lens kept in air with two spherical surface of radii ${{R}_{1}}=30cm$ and ${{R}_{2}}=60cm$. Take the refractive index of the lens as $\\mu =1.5$.
A double convex lens of focal length 6 cm is made of glass of mu = 1.5. The radius of curvature, for one surface is double of the other surface. The largest
![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)
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Double Concave Lens, 50mm Focal Length, 2" (50mm) Diameter - Spherical, Optically Worked Glass Lens - Ground Edges, Polished - Great for Physics Classrooms - Eisco Labs: Amazon.com: Industrial & Scientific
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![2 symmetric double concave lenses A and B have same focal length ,but the radii of curvature differ so that - Science - Light - Reflection and Refraction - 11869337 | Meritnation.com 2 symmetric double concave lenses A and B have same focal length ,but the radii of curvature differ so that - Science - Light - Reflection and Refraction - 11869337 | Meritnation.com](https://s3mn.mnimgs.com/img/shared/content_ck_images/ck_59e79a0567e11.jpg)
2 symmetric double concave lenses A and B have same focal length ,but the radii of curvature differ so that - Science - Light - Reflection and Refraction - 11869337 | Meritnation.com
A concave lens of focal length 20cm and double convex lens of focal length 30cm are placed 15cm apart on their common axis if an object is placed at distance x in
![A double convex lens of focal length 20 cm is made of glass of refractive index 3 / 2. When - YouTube A double convex lens of focal length 20 cm is made of glass of refractive index 3 / 2. When - YouTube](https://i.ytimg.com/vi/6sGsCk3qHP8/maxresdefault.jpg)