A point object `O` is kept at a distance `OP=u` The radius of curvature of the spherical surface APB is `CP=R` The refractive index of the media are `n_1` and `n_2` which are as shown in the diagram . Then,
(A) if `n_1gtn_2`, image is virtual for all values of u
(B) if `n_2=2n_1` image is virtual when `Rgtu`
(C) The image is real for all values of `u`, `n_1` and `n_2` here, the correct statements is/are

A point object O is kept at a distance of OP=u . The radius of curvature of the spherical surface APB is CP=R. The refractive index of the media are n_(1) and n_(2) which are as shown in the diagram Then, (1) if n_(1)gtn_(2) , image is virtual for all values of u. (2) if n_(2)=2n_(1) , image is virtual when Rgtu . (3) the image is real for all values of u,n_(1) and n_(2) . Here, the correct statement/s is are

Write equation of image formed by curved surface of radius of curvature R in medium of refractive index n_1

A glass sphere of refractive index 1.5 forms the real image of object O at point I as shown in the figure when kept in air of refractive index 1 . If the value of x is kR . Find k

A point object is placed at the centre of a glass sphere of radius 6cm and refractive index 1.5. The distance of virtual image from the surface is

A point object is placed at the centre of a glass sphere of radius 6cm and refractive index 1.5. The distance of virtual image from the surface is

A real object is kept in air and refraction occurs at the convex boundry of a spherical glass surface. For the image to be real, the real object distance (n_(g)=3//2)

For the spherical interface shown in the figure, the two different media with refractive indices n_1 = 1.4 and n_2 =1.25 are present as shown. The image will be formed at