Which Mirrors and Lenses Produce Virtual Images?

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Convex mirrors, concave mirrors, and plane mirrors can produce virtual images, but only convex mirrors and concave mirrors can do so on the same side as the object. Plane mirrors always produce images on the opposite side. Convex lenses do not produce virtual images on the same side as the object. The discussion also touches on the workings of a magnifying glass, which uses a convex lens to create a virtual image. Understanding these optics is crucial for solving related homework questions effectively.
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Homework Statement



Q: Which of the following produce VIRTUAL images on the same side as the object?

a. Convex mirror b.Concave mirror c. Plane mirror d. Convex LENS e.none of these

Homework Equations





The Attempt at a Solution



I know it's not "c" because plane mirrors ONLY prduece images on the opposite side of the mirror. But, I think it is either "b" or "e"
 
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I think it's E
 
Bk8907 said:

Homework Statement



Q: Which of the following produce VIRTUAL images on the same side as the object?

a. Convex mirror b.Concave mirror c. Plane mirror d. Convex LENS e.none of these

Homework Equations





The Attempt at a Solution



I know it's not "c" because plane mirrors ONLY prduece images on the opposite side of the mirror. But, I think it is either "b" or "e"

How does a magnifying glass work? What sort of optics does that use?
 
The book claims the answer is that all the magnitudes are the same because "the gravitational force on the penguin is the same". I'm having trouble understanding this. I thought the buoyant force was equal to the weight of the fluid displaced. Weight depends on mass which depends on density. Therefore, due to the differing densities the buoyant force will be different in each case? Is this incorrect?

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