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Concepts Of Physics MCQ Edition [Volume 1]
Exam
Concepts Of Physics MCQ Edition [Volume 1]
Subject
Physics
Chapter
Introduction to Physics

Concepts Of Physics MCQ Edition [Volume 1] · Physics · Introduction to Physics

Determine the dimensions of pressure.

Determine the dimensions of pressure.

Options

  1. AMLT−2MLT^{-2}
  2. BML2T−2ML^2T^{-2}
  3. CML−2T−2ML^{-2}T^{-2}
  4. DML−1T−2ML^{-1}T^{-2}

Correct answer

D. ML−1T−2ML^{-1}T^{-2}

Step-by-step solution

Pressure is defined as force per unit area.

The dimensional formula of force is [MLT−2][MLT^{-2}].

The dimensional formula of area is [L2][L^2].

Therefore, the dimensional formula of pressure is [MLT−2][L2]=[ML−1T−2]\dfrac{[MLT^{-2}]}{[L^2]} = [ML^{-1}T^{-2}].
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