Lecture-24Examples-04-07-08

Lecture-24Examples-04-07-08 - Lecture-24 Examples Example...

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Lecture-24 Examples Example Problem-1 HW-24-4. (HRW 34-98 ) In Fig. 34-50 , an object is placed in front of a converging lens at a distance equal to twice the focal length f 1 of the lens. On the other side of the lens is a concave mirror of focal length f 2 separated from the lens by a distance 2(f 1 + f 2 ). Light from the object passes rightward through the lens, reflects from the mirror, passes leftward through the lens, and forms a final image of the object. What are (a) the distance between the lens and that final image and (b) the overall lateral magnification M of the object? Is the image (c) real or virtual (if it is virtual, it requires someone looking through the lens toward the mirror), (d) to the left or right of the lens, and (e) inverted or noninverted relative to the object? Solution: 98. (a) First, the lens forms a real image of the object located at a distance i fp f f f 1 11 1 1 1 1 1 2 2 =− F H G I K J F H G I K J = −− to the right of the lens, or at p 2 = 2( f 1 + f 2 ) – 2 f 1 = 2 f 2 in front of the mirror. The subsequent image formed by the mirror is located at a distance
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This note was uploaded on 04/13/2008 for the course PHYSIC 2 taught by Professor Kim during the Spring '08 term at Lehigh University .

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Lecture-24Examples-04-07-08 - Lecture-24 Examples Example...

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