JEE Main 2018 — Thermal Properties of Matter Question with Solution
JEE Main 2018 (15 Apr Shift 2 Online)
Question
A body takes 10 minutes to cool from to . The temperature of surroundings is constant at . Then, the temperature of the body after next 10 minutes will be approximately
Choose an option
Show full solutionCorrect option: A
Correct answer
A
Step-by-step explanation
According to Newton's law of cooling,
Dividing eq. (i) by (ii),
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This is a previous-year question from JEE Main 2018, covering the Thermal Properties of Matter chapter of Physics. PrepSharp catalogues every PYQ from JEE Main with a verified answer key and step-by-step solution prepared by IIT alumni — so you can search by chapter, topic or year and revise efficiently.