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Kj7nj2qvrr53_1210016 - -10 cm What is the image height Correct answer 6 Explanation Let o = 15 cm i =-6 cm and h = 15 cm From the mirror equation

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inclasstest 09 – KIM, JI – Due: Apr 14 2008, 1:00 pm 1 Question 1, chap -1, sect -1. part 1 of 1 1 points This is a question for showing your atten- dance. Please choose the correct answer be- low, or you will lose 25% of this weekly test. 1. This is the correct answer. correct 2. This is the wrong answer. Explanation: It is correct because the choice does not lie. Question 2, chap 34, sect 4. part 1 of 1 3 points An object 15 cm high is placed 15 cm in front of a convex mirror with a focal length of
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Unformatted text preview: -10 cm. What is the image height? Correct answer: 6. Explanation: Let : o = 15 cm , i =-6 cm , and h = 15 cm . From the mirror equation, we ±rst get the image position. 1 o + 1 i = 1 f . Solving for i yields i = f o o-f = (-10 cm) (15 cm) (15 cm)-(-10 cm) =-6 cm . The magni±cation is given by M =-i o . Hence, the image height is given by H = h M = (15 cm) p--6 cm 15 cm P = 6 cm ....
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This note was uploaded on 05/05/2008 for the course PHY 303L taught by Professor Turner during the Spring '08 term at University of Texas at Austin.

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