If p represents momentum and d represents position, then the dimensions of Planck's constant h in terms of p and d is:
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If p represents momentum and d represents position, then the dimensions of Planck's constant h in terms of p and d is:

G1 Physics · Accepted Answer

Step 1: Planck's constant has dimensions of action = momentum × length. Step 2: Therefore [h]=[p][d]=[pd]. Final: Correct answer: A.