Pressure at a depth in a liquid depends on the height of the liquid above it

Steps:

• Recall that hydrostatic pressure at a point equals the weight of the liquid column above it, given by P = ρgh, where ρ is density, g is gravity, and h is depth.
• Assume positions are at the base of each cylinder, as typical for such problems.
• Compare liquid heights: identify the maximum height for greatest pressure.
• Select the cylinder with the tallest liquid column above the position.

Why B is correct:

• Cylinder B has the greatest liquid height, so maximum depth h, yielding highest P = ρgh.

Why the others are wrong:

• A: Shorter height than B, so lower pressure.
• C: Intermediate height, less than B's depth.
• D: Shortest height, minimal pressure.

Final answer: B