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14. Amber (n =
1.546) is a transparent brown-yellow fossil resin. An insect, trapped and
preserved within the amber, appears to be 2.5 cm beneath the surface when
viewed directly from above. How far below the
surface is the insect actually located? |
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Apparent depth can be found
from the relationship that holds only when you looking straight down or up,
not an angle |
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The apparent depth is a
virtual image (hence it must be negative) no is the index of the
medium the object is in, and ni is the
index of the medium you are viewing from.
So for this problem |
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