Solved papers for JEE Main & Advanced JEE Main Paper (Held On 11 April 2014)
done JEE Main Paper (Held On 11 April 2014) Total Questions - 1
question_answer1) A hot body, obeying Newton's law of cooling is cooling down from its peak value \[80{}^\circ C\] to an ambient temperature of \[30{}^\circ C\]. It takes 5 minutes in cooling down from \[80{}^\circ C\] to \[40{}^\circ C\]. How much time will it take to cool down from \[42{}^\circ C\] to \[32{}^\circ C\]? (Given In 2 = 0.693, In 5 = 1.609)
[JEE Main Online Paper ( Held On 11 Apirl 2014 )