JEE Main & Advanced Physics Thermometry, Calorimetry & Thermal Expansion Question Bank Thermal Expansion

  • question_answer
    The real coefficient of volume expansion of glycerine is 0.000597 per°C and linear coefficient of expansion of glass is 0.000009 per°C. Then the apparent volume coefficient of expansion of glycerine is                                           [AIIMS 2000]

    A)            0.000558 per°C                    

    B)            0.00057 per°C

    C) 0.00027 per°C                                  

    D) 0.00066 per°C

    Correct Answer: B

    Solution :

    As we know \[{{\gamma }_{\text{real}}}={{\gamma }_{\text{app}\text{.}}}+{{\gamma }_{\text{vessel}}}\] Þ \[{{\gamma }_{\text{app}\text{.}}}={{\gamma }_{\text{glycerine}}}-{{\gamma }_{\text{glass}}}\] \[=0.000597-0.000027=0.00057/{}^\circ C\]


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