360CHAPTER 25 25.54(a) The image distance for the objective lens is ()( )-22111-240.0 m8.0010 m8.0210m8.02 cm40.0 m8.0010 mpfq−×===×=−−×The magnification by the objective is 1Mhh qp′==−, so the size of the image formed by this lens is 21118.0210m30.0 cm0.060 1 cm40.0 mqhhM hp−×′== ==(b) To have parallel rays emerge from the eyepiece, its virtual object must be at its focal point, or 2.00 cmee−(c) The distance between the lenses is 18.02 cm2.00 cm6.02 cmeLq p=+=−=(d) The overall angular magnification is 18.00 cm4.00efmf=−25.55The angular magnification is omθθ=, where θis the angle subtended by the final image, and ois the angle subtended by the object as shown in the figure. When the
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