Physics - Geometrical Optics Question with Solution | TestHub

In a compound microscope, the magnified virtual image is formed at a distance of$25\text{ cm}$from the eye-piece. The focal length of its objective lens is$1\text{ cm}$. If the magnification is$100$and the tube length of the microscope is$20\text{ cm}$, then the focal length of the eye-piece lens (in$\text{cm}$) is ______