Anna holds an 11 D magnifier directly in former of her eye to gain a nearby look in ~ a 19-mm -diameter penny. Assume a usual 25 centimeter near suggest and a street of 1.7 cm in between the lens and the retina.

You are watching: At this distance, how large does the image of the coin appear on her retina?

Part A:

What is the closest possible distance the she can hold the coin to have it appear in focus?

Express your answer through the appropriate units.

Answer: 6.7 cm

Part B:

At this distance, how large does the photo of the coin show up on her retina?

Express her answer v the suitable units.

See more: The Babylon Urban Dictionary

Answer: 4.8 mm (he shows actual image)



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