JEE Main & Advanced Physics Transmission of Heat Sample Paper Topic Test - Transmission Of Heat

  • question_answer
    Direction: In the following questions, more than one of one answers given are correct. Select the correct answers and mark it according to the following codes:
    A cane is taken out from a refrigerator at \[0{}^\circ C\]. The atmospheric temperature is \[25{}^\circ C\]. If \[{{t}_{1}}\] is the time taken to heat from \[0{}^\circ C\] to \[5{}^\circ C\] and \[{{t}_{2}}\] is the time taken from \[10{}^\circ C\] to  \[15{}^\circ C,\] then the wrong statements are to \[{{15}^{o}}C,~\] then the wrong statements are
    (1) \[{{t}_{1}}>{{t}_{2}}\]                  
    (2) \[{{t}_{1}}={{t}_{2}}\]
    (3) There is no relation    
    (4) \[{{t}_{1}}<{{t}_{2}}\]
    Codes:

    A) 1, 2 and 3 are correct     

    B) 1 and 2 are correct

    C) 2 and 4 are correct

    D) 1 and 3 are correct

    Correct Answer: A

    Solution :

    [a] According to Newton's law of cooling.


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