Section C: Give a short answer to the question given below.
 
30. (B) An object of height \(10\ cm\) is placed \(25\ cm\) away from the optical centre of a converging lens of focal length \(15\ cm\). Calculate the image-distance and height of the image formed.
 
The image is formed  the lens.
 
The image distance is .
 
The magnification of the lens is .
 
The formed image is .
 
The height of the image is .