![A plano convex lens of refractive index 1.5 and radius of curvature 30cm. Is silvered at the - YouTube A plano convex lens of refractive index 1.5 and radius of curvature 30cm. Is silvered at the - YouTube](https://i.ytimg.com/vi/WsnDN221kGM/maxresdefault.jpg)
A plano convex lens of refractive index 1.5 and radius of curvature 30cm. Is silvered at the - YouTube
![optics - Is focal length of plano-concave lens $f=\cfrac{R}{\mu - 1}$ or $f=\cfrac{R}{1 - \mu}$? - Physics Stack Exchange optics - Is focal length of plano-concave lens $f=\cfrac{R}{\mu - 1}$ or $f=\cfrac{R}{1 - \mu}$? - Physics Stack Exchange](https://i.stack.imgur.com/AsmAn.jpg)
optics - Is focal length of plano-concave lens $f=\cfrac{R}{\mu - 1}$ or $f=\cfrac{R}{1 - \mu}$? - Physics Stack Exchange
![A plano-convex lens (focal length `f_2`, refractive index`mu_(2)`, radius of curvature R) fits - YouTube A plano-convex lens (focal length `f_2`, refractive index`mu_(2)`, radius of curvature R) fits - YouTube](https://i.ytimg.com/vi/i1VhD4RaI4g/maxresdefault.jpg)
A plano-convex lens (focal length `f_2`, refractive index`mu_(2)`, radius of curvature R) fits - YouTube
![Calculation of the different focus positions for meridional and marginal rays of a plano-convex thick lens - ScienceDirect Calculation of the different focus positions for meridional and marginal rays of a plano-convex thick lens - ScienceDirect](https://ars.els-cdn.com/content/image/1-s2.0-S0030402620314406-gr1.jpg)
Calculation of the different focus positions for meridional and marginal rays of a plano-convex thick lens - ScienceDirect
![A plano-convex lens is made of a material of refractive index \\[n\\]. When a small object is placed $30cm$ away in front of the curved surface of the lens, an image of A plano-convex lens is made of a material of refractive index \\[n\\]. When a small object is placed $30cm$ away in front of the curved surface of the lens, an image of](https://www.vedantu.com/question-sets/604212cb-a3f7-42e7-8ac4-cf39335072a23210470616831870279.png)
A plano-convex lens is made of a material of refractive index \\[n\\]. When a small object is placed $30cm$ away in front of the curved surface of the lens, an image of
the focal length of a plano convex lens is 20 cm. The plane face of it is silvered. An object is placed at a distance of 60 cm from the lens on
![The diameter of an aperture of a Plano-convex lens is 6cm and maximum thickness is 3mm. If the velocity in material is $2 \\times {10^8}$ m\/s, calculate focal length of the lens:$\\left( The diameter of an aperture of a Plano-convex lens is 6cm and maximum thickness is 3mm. If the velocity in material is $2 \\times {10^8}$ m\/s, calculate focal length of the lens:$\\left(](https://www.vedantu.com/question-sets/de1756cc-0a9b-4355-ae40-d4f0f3fcf0b68110881721488785667.png)
The diameter of an aperture of a Plano-convex lens is 6cm and maximum thickness is 3mm. If the velocity in material is $2 \\times {10^8}$ m\/s, calculate focal length of the lens:$\\left(
![A plano convex lens fits exactly into a plano concave lens. Their plane surfaces are parallel to each other. If lenses are made of different materials of refractive indices mu1 and mu2 A plano convex lens fits exactly into a plano concave lens. Their plane surfaces are parallel to each other. If lenses are made of different materials of refractive indices mu1 and mu2](https://haygot.s3.amazonaws.com/questions/1051809_70185_ans_e8db8edc8f8b48c7bfca7996d2d1022d.png)