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

  • question_answer
    Which of the following quantities has not been expressed in proper unit?

    A)  Torque, newton metre

    B)  Stress, newton \[metr{{e}^{-2}}\]

    C)  Modulus of elasticity, newton \[metr{{e}^{-2}}\]

    D)  Surface tension, newton \[metr{{e}^{-2}}\]

    Correct Answer: D

    Solution :

    [d] Surface tension \[S=\frac{Force}{Length}=\frac{N}{m}=N{{m}^{-1}}\]


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