11. Two lenses, of focal lengths +6 cm and -10 cm, are spaced 1.5 cm apart. Locate and describe the image of an object 3
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11. Two lenses, of focal lengths +6 cm and -10 cm, are spaced 1.5 cm apart. Locate and describe the image of an object 3
11. Two lenses, of focal lengths +6 cm and -10 cm, are spaced 1.5 cm apart. Locate and describe the image of an object 30 cm placed in front of the +6 cm lens. [15 cm beyond negative lens, real, inverted, 5/8 as large as the object]
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