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Question: 1. A lens produces a real image of a real object.
A. Is the image inverted or upright? Explain.
B. Is the lens diverging or converging? Explain.
C. Is the image enlarged or reduced in size? Explain.
2. Assuming we have two convex lenses with identical size and shape, but manufactured from different materials. The index of refraction of lens 1 is larger than that of lens 2, i.e. n1>n2.
A. Which lens has a larger focus length? Explain.
B. If two identical objects are placed in front of these two lenses with the same object distance, which image is larger? Explain.
a 78 g ice cube at -18degc is placed in a lake whose temperature is 12degc. calculate the change in entropy of the
the refractive index of a transparent material can be determined by measuring the critical angle when the solid is in
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a banner is suspended from a horizontal pivoted pole. the pole is 2.10 m long and weighs 170 n. the banner which weighs
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A satellite with 2 rectangular solar cells wings with A=60m2, when the wings normally face the sun with an intensity I=1200 W/m2, how much force on the satellite due to the sunlight
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