13. An object is placed 20cm in front of a concave mirror. What is the magnification if the image is 30cm in front of the mirror? A. 1.5 В. -1.5 С. 2/3 D. -2/3 _14. Describe the image in the previous item. A. real, inverted, reduced B. real, inverted, enlarged C. virtual upright, reduced D. virtual, upright, enlarged 15. When you look at yourself in a pocket mirror, and then hold the mirror farther away, you see A. less of your self B. more of your self C. the same amount of yourself D. none of yourself 16. To see his full height, a boy that is 1.00 meter tall needs a mirror that is at least: A. 0.33 m tall B. 0.50 m tall C. 0.75 m tall D. 1.00 m tall

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Chapter1: Units, Trigonometry. And Vectors
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13. An object is placed 20cm in front of a concave mirror. What is the magnification if the image is 30cm in front
of the mirror?
A. 1.5
В. -1.5
С. 2/3
D. -2/3
14. Describe the image in the previous item.
C. virtual upright, reduced
D. virtual, upright, enlarged
A. real, inverted, reduced
B. real, inverted, enlarged
15. When you look at yourself in a pocket mirror, and then hold the mirror farther away, you see
A. less of your self
C. the same amount of yourself
D. none of yourself
В.
more of your self
16. To see his full height, a boy that is 1.00 meter tall needs a mirror that is at least:
A. 0.33 m tall
В. 0.50 m tall
C. 0.75 m tall
D. 1.00 m tall
Transcribed Image Text:13. An object is placed 20cm in front of a concave mirror. What is the magnification if the image is 30cm in front of the mirror? A. 1.5 В. -1.5 С. 2/3 D. -2/3 14. Describe the image in the previous item. C. virtual upright, reduced D. virtual, upright, enlarged A. real, inverted, reduced B. real, inverted, enlarged 15. When you look at yourself in a pocket mirror, and then hold the mirror farther away, you see A. less of your self C. the same amount of yourself D. none of yourself В. more of your self 16. To see his full height, a boy that is 1.00 meter tall needs a mirror that is at least: A. 0.33 m tall В. 0.50 m tall C. 0.75 m tall D. 1.00 m tall
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