Physics - Geometrical Optics Question with Solution | TestHub

A compound microscope consists of an objective lens of focal length$1 \mathrm{cm}$and an eye piece of focal length$5 \mathrm{cm}$with a separation of$10 \mathrm{cm}.$The distance between an object and the objective lens, at which the strain on the eye is minimum is$\frac{\mathrm{n}}{40}\mathrm{cm}.$The value of$\mathrm{n}$is.......