![A thin lens made of a material of refractive index`mu_2` has a medium of refractive index `mu_1`... - YouTube A thin lens made of a material of refractive index`mu_2` has a medium of refractive index `mu_1`... - YouTube](https://i.ytimg.com/vi/APsOPnFJ6LE/maxresdefault.jpg)
A thin lens made of a material of refractive index`mu_2` has a medium of refractive index `mu_1`... - YouTube
![A thin lens of refractive index `1.5` has focal length of `15 cm` in air. When the lens is place... - YouTube A thin lens of refractive index `1.5` has focal length of `15 cm` in air. When the lens is place... - YouTube](https://i.ytimg.com/vi/DmnL--cXi6M/maxresdefault.jpg)
A thin lens of refractive index `1.5` has focal length of `15 cm` in air. When the lens is place... - YouTube
![A convex lens of refractive index 1.5 has a focal length of 20 cm in air. Calculate the change in - YouTube A convex lens of refractive index 1.5 has a focal length of 20 cm in air. Calculate the change in - YouTube](https://i.ytimg.com/vi/PVTvtviqgxQ/maxresdefault.jpg)
A convex lens of refractive index 1.5 has a focal length of 20 cm in air. Calculate the change in - YouTube
A biconvex lens of refractive index 1.5 has a focal length of 10cm. Calculate the radius of curvature. Find the position and nature of the image of an object held at a
a lens of refractive index μ is dipped in a liquid of refractive index μ' of focal length f in air.its focal length in liquid will be
![What will happen to the refractive index and focal length of a lens when it is immersed under water - Physics - Ray Optics And Optical Instruments - 1702140 | Meritnation.com What will happen to the refractive index and focal length of a lens when it is immersed under water - Physics - Ray Optics And Optical Instruments - 1702140 | Meritnation.com](https://s3mn.mnimgs.com/img/shared/discuss_editlive/1662418/2012_01_30_14_25_38/6.png)
What will happen to the refractive index and focal length of a lens when it is immersed under water - Physics - Ray Optics And Optical Instruments - 1702140 | Meritnation.com
![Lens maker's formula is a formula corelating the power P (or focal length f) of a lens to radii of curvature of the two surfaces of the lens and the refractive index Lens maker's formula is a formula corelating the power P (or focal length f) of a lens to radii of curvature of the two surfaces of the lens and the refractive index](https://d10lpgp6xz60nq.cloudfront.net/web-thumb/606267319_web.png)