AIPMT PRELIMS2009Physics-Units and Dimensions
AIPMT PRELIMS 2009 Physics Dimensional Analysis MCQ Question
Type: MCQ-conceptual-Medium-Class 11
If the dimensions of a physical quantity are given by Mᵃ Lᵇ Tᶜ, then the physical quantity will be:
A
Velocity if a = 1, b = 0, c = -1
B
Acceleration if a = 1, b = 1, c = -2
C
Force if a = 0, b = -1, c = -2
D
Pressure if a = 1, b = -1, c = -2
Correct Answer
Option D
Detailed Explanation
Pressure has the dimensions of M L⁻¹ T⁻², which matches the given dimensions when a = 1, b = -1, c = -2.
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