Total Magnification of Final Image Direction of Magnetic Force
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1. Two lenses of focal lengths f1 = f2 = 10 cm are separated by 15 cm as shown in the attached figure. An object is placed 60 cm in front of the first lens.
(a) Find the position of the image formed by the first lens.
(b) Use the image produced by the first lens as an object for the second lens to find the position of the final image (with respect to the second lens).
(c) Find the total magnification of the final image.
(d) What is the nature of the final image?
2. A positive charge moves with velocity v in the direction of a magnetic field B. What is the direction of the magnetic force?
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