Physicshard · Past Paper
What is the apparent depth of a 12 cm deep tank of water (n=4/3) when viewed from above?
A16 cm
B9 cm
C8 cm
D10 cm
✓ Correct Answer: B — 9 cm
Apparent depth = Real depth / n = 12 / (4/3) = 12 * 3 / 4 = 9 cm.
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