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anonymous
 5 years ago
8. Practice: A 29cm pencil is placed 35 cm in front of a convex lens and illuminated by a spotlight. The focal point of the lens is 28 cm from the lens.
A. What is the height of the pencil’s image? _______________
B. How far from the lens will the image of the pencil be focused? _______________
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anonymous
 5 years ago
8. Practice: A 29cm pencil is placed 35 cm in front of a convex lens and illuminated by a spotlight. The focal point of the lens is 28 cm from the lens. A. What is the height of the pencil’s image? _______________ B. How far from the lens will the image of the pencil be focused? _______________ Show your work:

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anonymous
 5 years ago
Best ResponseYou've already chosen the best response.0Do you have any initial ideas as to how to solve this problem?

anonymous
 5 years ago
Best ResponseYou've already chosen the best response.0di = image distance, do = object distance, hi = height of image, ho = height of object

anonymous
 5 years ago
Best ResponseYou've already chosen the best response.01/f = 1/di + 1/do and m = hi/ho =  di/do
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