if he uses the microscope without glasses ?
A person uses +1.5 D glasses to have normal vision from 25cm onwards. He uses a + 20D lens as a simple microscope to see an object. Calculate the maximum magnifying power, if he uses the microscope without glasses ?
13
Nov
A person uses +1.5 D glasses to have normal vision from 25cm onwards. He uses a + 20D lens as a simple microscope to see an object. Calculate the maximum magnifying power, if he uses the microscope without glasses ? A person uses +1.5 D glasses to have normal vision from 25cm onwards. He uses [...]