Physicshard · Past Paper
A glass slab of thickness 6 cm is placed over a paper. How much does the text appear to be raised (n=1.5)?
A2 cm
B4 cm
C6 cm
D1 cm
✓ Correct Answer: A — 2 cm
Normal shift = t(1 - 1/n) = 6(1 - 1/1.5) = 6(1 - 2/3) = 6(1/3) = 2 cm.
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