Your task in physics lab is to make a microscope from two lenses. One lens has a focal length of 12 {\rm cm} ,the other a focal length of 2.5 {\rm cm} .You plan to use the more powerful lens as the objective, and youwant its image to be 16 {\rm cm} fromthe lens, as in a standard biological microscope.
What will be the magnification of your microscope?