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JEE Main & Advanced Sample Paper JEE Main - Mock Test - 37

  • question_answer
    A clock which keeps correct time at \[25{}^\circ C\] has a pendulum made of brass whose coefficient of linear expansion is 0.000019. How many seconds a day will it gain if the temperature fall to \[0{}^\circ C\]?

    Answer:

    (20.52)


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