Bird & Fish Refraction Homework | See How Many Images

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The problem involves a fish located 40 cm below the water surface and a bird 30 cm above it, with the water having a refractive index of 4/3. The bottom of the vessel acts as a plane mirror, which will create additional images of the fish. The initial image is formed due to refraction at the water's surface, and a second image is created by the reflection from the mirror. To find the total number of images visible to the bird, one must calculate the distances considering both the refraction and the reflection effects. The discussion emphasizes the need to determine the distance from the bird to the fish's image formed by the mirror after accounting for the water's refractive properties.
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Homework Statement


A vessel is filled with water of refractive index 4/3.The height of the vessel is 60cm.A fish F is at 40 cm below the surface of water.A bird B is 30cm above the surface of water.The bottom of the vessel behaves as plane mirror. How many images of fish will be seen by the bird

Homework Equations


Real Depth/ Relative Depth= Refractive index of water[/B]

The Attempt at a Solution



So I think one of the images will be due to refraction from the surface of the water like in this case:
upload_2018-4-20_9-3-48.png
Now I think there should be one more image because there will be a plane mirror.So the fish will get reflected from the plane mirror but I am not sure what will follow after that.[/B]
 

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How can you find the distance from the bird to the image of the fish formed by the mirror? First find the distance if the vessel has no water. Then consider the difference that putting in the water will make.
 
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