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WB JEE Medical WB JEE Medical Solved Paper-2012

  • question_answer
    In a mercury thermometer, the ice point (lower fixed point) is marked as \[{{10}^{o}}\] and the steam point (upper fixed point) is. Marked as\[{{130}^{o}}\]. At \[{{40}^{o}}\]temperature, what will this thermometer read?

    A)  \[{{78}^{o}}\]

    B) \[{{66}^{o}}\]

    C) \[{{62}^{o}}\]

    D)  \[{{58}^{o}}\]

    Correct Answer: D

    Solution :

     \[\frac{x-10}{130-10}=\frac{40}{100}\] \[100x-1000=4800\] \[100x=5800\] \[x={{58}^{o}}\]


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