Question 15
Question 15 of 40
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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
16. Thermodynamics
16.2. The first law of thermodynami...

recall and use W = pΔV for the work done when the volume of a gas changes at constant pressure and understand the difference between the work done by the gas and the work done on the gas

5. Work, energy and power
5.1. Energy conservation

derive P = Fv and use it to solve problems

13. Gravitational fields
13.4. Gravitational potential

use φ = -GM/r for the gravitational potential in the field due to a point mass