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Why does a straw look broken when it is placed in a water glass?
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44 votes
Why does a straw look broken when it is placed in a water glass?

User Vishwas
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1 Answer

25 votes
25 votes

  • Above the water, the light reflex from the straw through the air and glass to your eyes. But below, when the light also travels through the water, the refraction causes the image of the straw to be in slightly different location. ... To the brain, the straw appears broken (and bloated).


hopefully \: \: that \: \: helps

Why does a straw look broken when it is placed in a water glass?-example-1
Why does a straw look broken when it is placed in a water glass?-example-2
User PurplePolyhedron
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