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JEE Main 8 Apr 2019 Paper 1 Solved Paper

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Question : 8

Total: 91

Two identical beakers A and B contain equal volumes of two different liquids at 60°C each and left to cool down. Liquid in A has density of 8×102kg∕m3 and specific heat of 2000Jkg−1K−1 while liquid in B has density of 103kgm−3 and specific heat of 4000Jkg−1K−1 . Which of the following best describes their temperature versus time graph schematically? (Assume the emissivity of both the beakers to be the same)

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