026 (part 1 of 4) 10.0 points A convex mirror with a focal length of 0.25 m form

Question

026 (part 1 of 4) 10.0 points A convex mirror with a focal length of 0.25 m forms a 0.081 m tall image of an automobile at a distance of 0.23 m behind the mirror. a) How far from the mirror is the car lo- cated? Answer in units of m 027 (part 2 of 4) 10.0 points b) What is the magnification of the image? 028 (part 3 of 4) 10.0 points c) Describe the image. 1. real, inverted, larger 2. virtual, inverted, larger 3. virtual, upright, smaller 4. real, upright, smaller 5. virtual, upright, larger 6. real, upright, larger 7. real, inverted, smaller 8. None of these 9. virtual, inverted, smaller 029 (part 4 of 4) 10.0 points d) What is the height of the car? Answer in units of m

Explanation / Answer

1/u + 1/v = 1/f

1/u + 1/-0.23 = 1/-0.25

1/u = 1/0.23 - 1/0.25

u = 2.88 m

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b) m = - q / p

m = 0.23 / 2.875

m = 0.08

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c) image is virtual, upright and smaller

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d) h0 = hi / m = 0.081 / 0.08

h = 1.01 m

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