JCECE Medical JCECE Medical Solved Paper-2002

  • question_answer
    \[[M{{L}^{2}}{{T}^{-3}}]\]represents the dimensions of:

    A)  pressure       

    B)  energy

    C)  power         

    D)  force

    Correct Answer: C

    Solution :

     \[Power=\frac{work}{time}=\frac{F\times d}{t}=\frac{ma\times d}{t}\] Dimensions of power \[\text{=}\,\frac{\text{dimensons}\,\text{of}\,\text{ma}\,\text{ }\!\!\times\!\!\text{ }\,\text{dimensions}\,\text{of}\,\text{d}}{\text{dimensions}\,\text{of}\,\text{t}}\] Dimensions of power \[=\frac{[ML{{T}^{-2}}][L]}{[T]}=[M{{L}^{2}}{{T}^{-3}}]\]


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