Created by StemPy LabA simple microscope (a magnifying glass) is a convex lens of focal length . It is used so that the final image is at the near point of the eye, away. Its magnifying power is ____.
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← A battery has an emf of 24 V and an internal resistance of 3 Ω. A variable resistor is connected across it and adjusted until it takes the greatest possible power. That greatest power, in watts, is ____.In the Bohr model, the radius of the n = 3 orbit of a doubly ionised lithium ion (Li²⁺, Z = 3) is how many times the radius of the ground-state orbit of hydrogen? ____ →
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