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Chapter 34: Q. 74 (page 993)
An object is from a screen. What are the radii of a symmetric converging plastic lens (i.e., two equally curved surfaces) that will form an image on the screen twice the height of the object?
The radius is
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A microscope is focused on a black dot. When a -cm-thick piece of plastic is placed over the dot, the microscope objective has to be raised cm to bring the dot back into focus. What is the index of refraction of the plastic?
An air bubble inside an-diameter plastic ball is from the surface. As you look at the ball with the bubble turned toward you, how far beneath the surface does the bubble appear to be?
FIGURE EXshows a transparent hemisphere with radius and index of refraction What is the maximum distance for which a light ray parallel to the axis refracts out through the curved surface?
A converging lens creates the image shown in FIGURE Q34.8. Is the object distance less than the focal length f, between f and 2 f, or greater than 2 f? Explain
An astronaut is exploring an unknown planet when she accidentally drops an oxygen canister into a 1.50-m-deep pool filled with an unknown liquid. Although she dropped the canister 21 cm from the edge, it appears to be 31 cm away when she peers in from the edge. What is the liquid鈥檚 index of refraction? Assume that the planet鈥檚 atmosphere is similar to earth鈥檚
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