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

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) None

Tardigrade Admin · Accepted Answer

Quantities having different dimensions can only be divided or multiplied but they cannot be added or subtracted

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

$A / B$

$A + B$

$A - B$

None

Quantities having different dimensions can only be divided or multiplied but they cannot be added or subtracted

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

A/B

A+B

A−B

None

Quantities having different dimensions can only be divided or multiplied but they cannot be added or subtracted

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

$A / B$

$A + B$

$A - B$