Discussion #10 - Optical Instruments, Interference & Diffraction PHYS 212 - Dr. Shetty (c) What is the location of the final image, as seen by an observer looking toward the mirror, through the lens? Keep in mind that the light must pass back through the lens, and thus you must do the calculation with the thin lens equation. 20.omo grbaniz 01 x 2.8 to noteques diwalila owT above the central bright fring (d) Is the final image formed by this system real or virtual?al Discussion #10 - Optical Instruments, Interference & Diffraction PHYS 212 - Dr. Shetty (2) Multiple Optics Goal: Work with a system with multiple optical instruments. 93T (1) Several optical instruments are placed along the x-axis, with their axes aligned along the x-axis. A plane mirror is located at x = 0. A converging lens with a focal length of 5.00 m is located at x 12.5 m. An object is placed at x = = 22.5 m. To find the location of the final image of the object formed by this system, you are strongly advised to draw a picture with the x-axis and the location of the lens, mirror, and object marked. Then, as you proceed through the problem, you can mark where each image is located. (c) (a) First, find the position of the image created by the lens by itself (as if no other instruments were present). 2.5m f -5.00m Fx=12.5m Object X=22.5m (d) (b) Next, find the location of the image created by the plane mirror (after the light has passed through the lens). -2.5m Signqu no bohovni ti al Sisunivo bilt al (0) 2

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