if he uses the microscope without the glasses.
A person uses +1.5 D glasses to have normal vision from 25 cm onwards. He uses a 20 D lens as a simple microscope to see an object. Calculate the maximum magnifying power, if he uses the microscope without the glasses.
27
Oct
A person uses +1.5 D glasses to have normal vision from 25 cm onwards. He uses a 20 D lens as a simple microscope to see an object. Calculate the maximum magnifying power, if he uses the microscope without the glasses. A person uses +1.5 D glasses to have normal vision from 25 cm onwards. [...]