35. Which of the following statements is true? A. A virtual image is formed when actual light rays converge to form an image. B. A real image is formed when actual light rays con- verge to form an image. C. A real image is formed when projections of actual light rays converge to form an image. D. A virtual image is formed when actual light rays diverge to form an image. 36. You have a small biconvex lens (a magnifying glass, for example). You place a candle 10.0 cm in front of the lens. You are able to form an inverted image of the can- dle on a piece of paper 7.0 cm behind the lens. What is the focal length of the lens? A. 0.24 cm B. 23 cm C. 4.1 cm D. 0.043 cm 37. For a convex mirror, f is A. positive. B. infinite. C. negative. D. zero. 38. You place a candle 10.0 cm in front of a concave mirror. You are able to form an inverted image of the candle on a small screen you place 7.0 cm in front the lens. What is the radius of curvature of the lens? A. 0.24 cm B. 8.2 cm C. 23 cm D. 4.1 cm

35. Which of the following statements is true? A. A virtual image is formed when actual light rays converge to form an image. B. A real image is formed when actual light rays con- verge to form an image. C. A real image is formed when projections of actual light rays converge to form an image. D. A virtual image is formed when actual light rays diverge to form an image. 36. You have a small biconvex lens (a magnifying glass, for example). You place a candle 10.0 cm in front of the lens. You are able to form an inverted image of the can- dle on a piece of paper 7.0 cm behind the lens. What is the focal length of the lens? A. 0.24 cm B. 23 cm C. 4.1 cm D. 0.043 cm 37. For a convex mirror, f is A. positive. B. infinite. C. negative. D. zero. 38. You place a candle 10.0 cm in front of a concave mirror. You are able to form an inverted image of the candle on a small screen you place 7.0 cm in front the lens. What is the radius of curvature of the lens? A. 0.24 cm B. 8.2 cm C. 23 cm D. 4.1 cm

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