Question
Question: Which among the following is not a dimension?...
Which among the following is not a dimension?
A
Time
B
Kelvin
C
Length
D
Mass
Answer
Kelvin
Explanation
Solution
Dimensions are fundamental physical quantities like mass, length, and time. Units are the standards used to measure these quantities. Kelvin is the SI unit for the dimension of thermodynamic temperature. Time, length, and mass are all fundamental dimensions. Therefore, Kelvin is not a dimension itself, but a unit.