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A small tropical fish is at the center of a water-filled spherical fishbowl 24.0

ID: 2301980 • Letter: A

Question

A small tropical fish is at the center of a water-filled spherical fishbowl 24.0cm in diameter.

Part A

Find the apparent position of the fish to an observer outside the bowl. The effect of the thin walls of the bowl may be ignored.

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Part B

Find the magnification of the fish to an observer outside the bowl.

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A small tropical fish is at the center of a water-filled spherical fishbowl 24.0cm in diameter.

Part A

Find the apparent position of the fish to an observer outside the bowl. The effect of the thin walls of the bowl may be ignored.

s? =   cm  

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Part B

Find the magnification of the fish to an observer outside the bowl.

m =

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Explanation / Answer

n1/s + n2/s' = n2-n1/R

1.33/24 + 1/s' = -0.33/-28

s' = -22.91 cm

2)

Magnification Power = -n1s'/n2s = -1.33*-22.91/1*24

= 1.26

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