PHYSICS · Single correct · A Level · Physics · Measurements and their errors · Measurements and their errors
Problem
In a certain laboratory, new base units are chosen as follows: 1 mass unit = 3 kg, 1 length unit = 2 m, 1 time unit = 0.5 s. By what factor will the numerical value of pressure change when it is expressed in these new units instead of SI units?
(a) It becomes 3 times smaller.
(b) It becomes 0.25 times its SI value.
(c) It becomes 6 times smaller.
(d) It becomes 6 times larger.