Section C: Give a short answer to the question given below.
30. (B) An object of height \(\ 8cm\) is placed \(25\ cm\) away from the optical centre of a converging lens of focal length \(7\ cm\). Calculate the image-distance and height of the image formed.
The image is formed the lens.
The image distance is \(cm\) .
The magnification of the lens is .
The formed image is .
The height of the image is \(cm\) .