Question 2
Question 2 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
5. Work, energy and power
5.1. Energy conservation

define power as work done per unit time

1. Physical quantities an...
1.1. Physical quantities

understand that all physical quantities consist of a numerical magnitude and a unit

15. Ideal gases
15.1. The mole

understand that amount of substance is an SI base quantity with the base unit mol