To Construct Optical Devices Using Lenses To Construct a Compound MicroscopeThe materials required for the construction of a compound microscope: (a) A convex lens with a power of +20 D (f0 = 5.0 cm) and a large diameter is used as the objective lens. (b) A convex lens with a power of +14.3 D (fe = 7.0 cm) and a small diameter is used as the eyepiece. (c) A cardboard … [Read more...] about To Construct Optical Devices Using Lenses