Which of the following combinations of three dimensionally different physical quantities \( P, Q....

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Question Which of the following combinations of three dimensionally different physical quantities \( P, Q, R \) can never be a meaningful quantity?
(A) \( P Q-R \)
(B) \( \frac{P Q}{R} \)
(C) \( \frac{P-Q}{R} \)
(D) \( \frac{P R-Q^{2}}{Q R} \)šŸ“²PW App Link - https://bit.ly/YTAI_PWAP 🌐PW Website - https://www.pw.live




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