An object is placed so that the image formed is a real image of the Sam size as the object. What is the position of the object?
A. At the focal point
B. At a distance of twice the focal length
C. Greater than the focal length but less than twice the focal length
D. At a distance less than the focal length
Answers: 3
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Nacidified solution was electrolyzed using copper electrodes. a constant current of 1.18 a caused the anode to lose 0.584 g after 1.52 ✕ 103 s. given that the charge of an electron is 1.6022 ✕ 10−19 c, calculate avogadro's number. assume that copper is oxidized to cu2+ ions.
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An object is placed so that the image formed is a real image of the Sam size as the object. What is...
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