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. \(\frac{d}{n}\)  
B. dn
C. \(\frac{d}{n - 2}\)
D. \(\frac{d(n - 1)}{n}\)

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Correct Answer: A