A jellyfish is floating in a water-filled aquarium 1.30 m behind a flat pane of

Question

A jellyfish is floating in a water-filled aquarium 1.30 m behind a flat pane of glass 2.80 cm thick and having an index of refraction of 1.5. (The index of refraction of water is 1.33.)

(a) Where is the image of the jellyfish located? (Find the location of the final image, taking the inside and outside surfaces of the pane of glass as two refracting surfaces. Use a negative number to indicate the image is in the tank. Measure the distance from the air-glass interface. Enter your answer to three decimal places.)
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(b) Repeat the problem when the glass is so thin that its thickness can be neglected. (Use a negative number to indicate the image is in the tank. Enter your answer to three decimal places.)
m

(c) How does the thickness of the glass affect the answer to part (a)?

the thicker the glass, the greater the distance between the final image and the outer surface of the glassthe thinner the glass, the greater the distance between the final image and the outer surface of the glass    thickness has no effect on the answer to part (a)A jellyfish is floating in a water-filled aquarium 1.30 m behind a flat pane of glass 2.80 cm thick and having an index of refraction of 1.5. (The index of refraction of water is 1.33.)

(a) Where is the image of the jellyfish located? (Find the location of the final image, taking the inside and outside surfaces of the pane of glass as two refracting surfaces. Use a negative number to indicate the image is in the tank. Measure the distance from the air-glass interface. Enter your answer to three decimal places.)
m

(b) Repeat the problem when the glass is so thin that its thickness can be neglected. (Use a negative number to indicate the image is in the tank. Enter your answer to three decimal places.)
m

(c) How does the thickness of the glass affect the answer to part (a)?

the thicker the glass, the greater the distance between the final image and the outer surface of the glassthe thinner the glass, the greater the distance between the final image and the outer surface of the glass    thickness has no effect on the answer to part (a)A jellyfish is floating in a water-filled aquarium 1.30 m behind a flat pane of glass 2.80 cm thick and having an index of refraction of 1.5. (The index of refraction of water is 1.33.)

(a) Where is the image of the jellyfish located? (Find the location of the final image, taking the inside and outside surfaces of the pane of glass as two refracting surfaces. Use a negative number to indicate the image is in the tank. Measure the distance from the air-glass interface. Enter your answer to three decimal places.)
m

(b) Repeat the problem when the glass is so thin that its thickness can be neglected. (Use a negative number to indicate the image is in the tank. Enter your answer to three decimal places.)
m

(c) How does the thickness of the glass affect the answer to part (a)?

the thicker the glass, the greater the distance between the final image and the outer surface of the glassthe thinner the glass, the greater the distance between the final image and the outer surface of the glass    thickness has no effect on the answer to part (a)A jellyfish is floating in a water-filled aquarium 1.30 m behind a flat pane of glass 2.80 cm thick and having an index of refraction of 1.5. (The index of refraction of water is 1.33.)

(a) Where is the image of the jellyfish located? (Find the location of the final image, taking the inside and outside surfaces of the pane of glass as two refracting surfaces. Use a negative number to indicate the image is in the tank. Measure the distance from the air-glass interface. Enter your answer to three decimal places.)
m

(b) Repeat the problem when the glass is so thin that its thickness can be neglected. (Use a negative number to indicate the image is in the tank. Enter your answer to three decimal places.)
m

(c) How does the thickness of the glass affect the answer to part (a)?

the thicker the glass, the greater the distance between the final image and the outer surface of the glassthe thinner the glass, the greater the distance between the final image and the outer surface of the glass    thickness has no effect on the answer to part (a)

Explanation / Answer

we have

?a = 1

?w = 1.33

?g = 1.5

apperent depth of glass = 2.8 x ?a/?g

                                   = 2.8 x 1/1.5 = 1.87 cm

apparent distance of jelly fish in water = 130 x ?a / ?w

                                                      = 130 x 1/1.33 = 97.744 cm

a) image of jellyfish locate at 1.87 + 97.744 cm = 99.614 cm

b) when glass is thin image of jellyfish locate at 97.744 cm

c) thichness of glass will increase the apparent distance of the jellyfish by 1.87cm as clearly seen in part (a).

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