Engineering


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tips and tricks OF THE DAY

  • Ex: A block of ice floats on a liquid of density 1.2in a beaker then level of liquid when ice completely melt 
    A) Remains same                      
    B) Rises
    C) Lowers                                    
    D) (a), (b) or (c)
    Correct Answer: B
    Explanation & Trick:
    The volume of liquid displaced by floating ice VD = M / σL Volume of water formed by melting
    ice, VF = M / σW  ; If σ1 > σW, then, M / σL < M / σW
    i.e. VD < VF i.e. volume of liquid displaced by floating ice will be lesser than water formed and so the level if liquid will rise.
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