Mirrors and Lenses29523.54(a) The thin lens equation gives the image distance for the first lens as ( )( )11140.0 cm20.0 cm40.0 cm40.0 cm20.0 cmpfq===+−−The magnification by this lens is then 11140.0 cm1.0040.0 cmqMp=−The real image formed by the first lens is the object for the second lens. Thus, and the thin lens equation gives 2150.0 cm10.0 cmpq=+( )( )22210.0 cm5.00 cm10.0 cm10.0 cm5.00 cmq=+The final image is 10.0 cm in back of the second lens (b) The magnification by the second lens is 22210.0 cm1.0010.0 cmqMp, so the overall magnification is ( )( )121.00MMM−1.001.00−
This is the end of the preview. Sign up
access the rest of the document.