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PHY 101 PHY 101 Past Questions Objective Question

Question

In the dimensional equation [L, M, D, T] are called
Options
A dimensional formulae
B dimensions
Correct Answer
C basic quantities
D derived quantities
Correct Answer

Option B is the correct answer.

Detailed Explanation

The symbols L, M, T (and sometimes others) represent the fundamental dimensions of length, mass, time, etc. They are called dimensions. A dimensional formula is an expression like [M L² T⁻²] for energy.

Hint

These are the fundamental building blocks of physical quantities.

Question Info