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NEET 2020
Exam
NEET
Year
2020
Subject
Physics
Chapter
Units and Dimensions

NEET 2020 · Physics · Units and Dimensions

Dimensions of stress are:

Dimensions of stress are:

Options

  1. A[ML2T−2]\left[{ML}^{2}{T}^{- 2}\right]
  2. B[ML0T−2]\left[{ML}^{0}{T}^{- 2}\right]
  3. C[ML−1T−2]\left[{ML}^{- 1}{T}^{- 2}\right]
  4. D[MLT−2]\left[{MLT}^{- 2}\right]

Correct answer

C. [ML−1T−2]\left[{ML}^{- 1}{T}^{- 2}\right]

Step-by-step solution

stress =ForceArea=\dfrac{Force}{Area}

=M1L1T−2L2= \dfrac{{M}^{1}{L}^{1}{T}^{- 2}}{{L}^{2}}

stress =M1L−1T−2= {M}^{1}{L}^{- 1}{T}^{- 2}

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