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

Options

A. only (2)
B. both (1) and (2)
C. only (1)
D. (1),(2) and (3)

Answer

B