If the dimensional formula of a physical quantity is [MᵃLᵇTᶜ], then the physical quantity will be:
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Question

If the dimensional formula of a physical quantity is [MᵃLᵇTᶜ], then the physical quantity will be:

G1 Physics · Accepted Answer

Step 1: Pressure has dimensions [M L⁻¹T⁻²], exactly matching a=1, b=−1, c=−2. Step 2: The other stated exponent sets do not match the named quantities. Final: Hence option A.