Question 14
Question 14 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
2.1.3. Gases and the absolute scale...

Describe qualitatively, in terms of particles, the effect on the pressure of a fixed mass of gas of: (a) a change of temperature at constant volume (b) a change of volume at constant temperature

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

3. Waves
3.4. Sound

Know that the speed of sound in air is approximately 330–350m/s