A spherical convex surface separates object and image spaces of refractive indices 1 and 4/3 respectively.If the radius of curvature of the surface is 10 cm,its power is: (1)1.5D (2)2.5 D (3)3.5 D (4)4.5

Q. A spherical convex surface separates object and image spaces of refractive indices $1.0$ and $4/3$. If radius of curvature of the surface is $10cm$, find its power.

Q. A spherical convex surface of radius of curvature $10\text{cm}$ has object and image in mediums of refractive index $1.0$ and $\frac{4}{3}$ respectively. Its power will be

Q. A spherical surface of radius of curvature 10 cm separates two media X and Y of refractive indices 3/2 and 4/3 respectively. Centre of the spherical surface lies in denser medium. An object is placed in medium X. For image to be real, the object distance must be

Q. A convex refracting surface of radius of curvature 20 cm separates two media of refractive indices 4/3 and 1.60. An object is placed in the first medium $(\mu =4/3)$ at a distance of 200 cm from the refracting surface. The position of the image formed is

Q. A concave spherical surface of radius of curvature $10cm$ separates two mediums $X$ and $Y$ of refractive indices $4/3$ and $3/2$ respectively. Centre of curvature of the surface lies in the medium $X$. An object is placed in medium $X$.