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KVPY Sample Paper KVPY Stream-SX Model Paper-1

  • question_answer
    The surface tension and bulk modulus of elasticity of water are S and B respectively. Then the ratio \[\frac{B}{S}\] is dimensionally equivalent to the dimension of                           

    A) Length              

    B) Wave number

    C) \[{{(area)}^{-1}}\]                   

    D) Force

    Correct Answer: B

    Solution :

    \[\frac{B}{S}=\frac{F}{\text{area}}\times \frac{\text{length}}{F}=\frac{1}{\text{length}}=\text{wave number}\]


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