JEE Main & Advanced Physics Mathematical Tools, Units & Dimensions Question Bank Self Evaluation Test - Physical World, Units and Measurements

  • question_answer
    The dimensions of speed and velocity are

    A)  \[[{{L}^{2}}T],[L{{T}^{-1}}]\] 

    B)  \[[L{{T}^{-1}}],[L{{T}^{-2}}]\]

    C)  \[[LT],\,[LT]\]

    D)  \[[L{{T}^{-1}}],[L{{T}^{-1}}]\]

    Correct Answer: D

    Solution :

    [d] \[speed\text{ }=\text{ }\frac{dis\tan ce}{time}and\,velocity\] \[=\frac{displacement}{time}\]


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