1037_Physics ProblemsTechnical Physics

1037_Physics ProblemsTechnical Physics - 378 P36.77 Image...

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378 Image Formation P36.77 (a) For lens one, as shown in the first figure, 1 40 0 11 30 0 120 120 300 1 1 1 1 1 .. . cm cm cm cm 40.0 cm += = =− q q M q p This real image IO 12 = is a virtual object for the second lens. That is, it is behind the lens, as shown in the second figure. The object distance is p q q M q p MM M 2 2 2 2 2 2 110 120 10 0 1 10 0 20 0 20 0 20 0 200 600 =−= = =+ == cm cm cm cm cm cm cm 10.0 cm overall . : . . . . af (b) M overall < 0 , so final image is
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