If A, B and C are physical quantities, having different dimensions, which of the following combination can never be a meaningful quantity?

Question

If A, B and C are physical quantities, having different dimensions, which of the following combination can never be a meaningful quantity? (A) (A - B)/C (B) AB-C (C) AB/C (D) AB-C2

Tardigrade Admin · Accepted Answer

Correct answer is (a) (A - B)/C

Q. If A, B and C are physical quantities, having different dimensions, which of the following combination can never be a meaningful quantity?

$(A - B) / C$

$A B - C$

$A B / C$

$A B - C^{2}$

Correct answer is (a) $(A - B) / C$

Q. If A, B and C are physical quantities, having different dimensions, which of the following combination can never be a meaningful quantity?

(A−B)/C

AB−C

AB/C

AB−C2

Correct answer is (a) (A−B)/C

$(A - B) / C$

$A B - C$

$A B / C$

$A B - C^{2}$

Correct answer is (a) $(A - B) / C$