Question

Two quantities $A$ and $B$ have different dimensions. Which mathematical operation given below is physically meaningful?

• A. $A/B$
• B. $A+B$
• C. $A-B$
• D. $A=B$

Answer 1

The correct option is A $A/B$

As per the principle of homogeneity of dimension, addition subtraction or equality between two quantities of different dimensions are not possible while division and multiplication are possible.

Hence option A is corerct.