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Introductory Physics Homework Help
Fingerprints though beaker of water
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[QUOTE="hellothere12, post: 2963009, member: 284008"] Hello. Thank you very much for taking the time to view my post. I am eager to learn more about physics. [h2]Homework Statement [/h2] The statement is along the lines of: A glass is filled with water. When you grip it, a very clear image of your fingerprints is clearly visible (looking through the surface of the water). Explore this and explain it. [h2]Homework Equations[/h2] Not too sure on this one... I am assuming refraction or reflection has something to do with it... [h2]The Attempt at a Solution[/h2] I played with a beaker full of water, and substituted the fingers for other objects. I found that it takes a wet object to show (the oil on fingers acts as a liquid between the finger and glass I assume). I also found that everything except the fingerprints on the side of the beaker is a reflection of what is on the bottom on the beaker. Im hoping someone may be able to point me in the direction, or can aid me in explaining the situation and relevant theory. I also need to design an experiment (preferably more than one) to use in an experimental write-up that can help explain this situation. Id be eternally grateful for any help. CHeerio and happy physicising. [/QUOTE]
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Fingerprints though beaker of water
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