O-LevelPhysicsForces5054/12 · May/June 2014 · Q141 Mark
Which graph shows the total external pressure acting on a submarine at different depths below the surface of the sea?
This question uses a diagram from the original paper, which isn't shown here. Open the full paper from the past papers archive to see it.
AGraph A showing pressure increasing non-linearly and then flattening out with depth, starting from the origin.
BGraph B showing pressure increasing linearly from the origin with depth.
CGraph C showing pressure increasing exponentially with depth, starting from the origin.
DGraph D showing pressure increasing linearly from a positive y-intercept with depth.
✓ Correct answer
B: Graph B showing pressure increasing linearly from the origin with depth.
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