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JEE Main & Advanced Physics Thermometry, Calorimetry & Thermal Expansion Question Bank Numerical Value Type Questions - Thermal Properties of Matter

  • question_answer
    A bar with a crack at its centre buckles as a result of temperature rise of\[32\text{ }{}^\circ C\]. If the fixed distance \[{{L}_{0}}\] is 3.77 m and the coefficient of linear expansion of the bar is \[25\text{ }\times \,\,\text{1}{{\text{0}}^{-6}}/{}^\circ C\] find the rise (in metre) of the centre.

    Answer:

    \[\left( 7.5\times \text{1}{{0}^{-2}} \right)\]


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