Question 21
Question 21 of 40
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No letter options?
Older MCQs might not have the typical A, B, C, D choices. They have choices 1, 2, 3, and a combination of them is the answer. Below is the key that maps such combinations to the answer.
A 1, 2 and 3 are correct
B 1 and 2 only are correct
C 2 and 3 only are correct
D 1 only is correct
Topics Tested
2. Thermal physics
2.3.2. Convection

Explain convection in liquids and gases in terms of density changes and describe experiments to illustrate convection

1. Motion, forces and ene...
1.8. Pressure

Describe, qualitatively, how the pressure beneath the surface of a liquid changes with depth and density of the liquid