Physics > 2007 > 34
WASSCE
A rectangular glass prism of thickness d and absolute refractive index n is placed on a point object, which is viewed vertically downward from above the prism. Which of the following expressions correctly defines the apparent upward displacement of the object?
A.
d/n
B.
dn
C.
d/n-2
D.
| d(n - 1) n |
Answer: A
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