1. Microscope  If you place your eye behind the eyepiece lens of a microscope, you can see the final image produced by the microscope.  If you place a screen behind the eyepiece lens of a microscope, can you focus the final image produced by the microscope onto the screen? (without using further lenses) a)yes b)no

2. Final Images The final image produced by a microscope is ___; the final image produced by the first kind of telescope we discussed is ___; the final image produced by second kind of telescope (spyglass) we discussed is ___. a)virtual, virtual, virtual b)virtual, virtual, real c)real, virtual, virtual d)virtual, real, virtual

3. Magnification PAL  A microscope is built from two lenses: a 2.4- cm eyepiece and a 3.9-cm objective, placed 23 cm apart. 1.What is the best angular magnification the normal eye can get with either lens by itself (used as a simple magnifier)? 10.4X 2.What overall magnification does the normal eye get by using the lenses in a compound microscope? -55X 3.What is the percent error between your answer to #2, and the approximate answer you get by using L in place of L-f eye ? 12%