JEE PHYSICS MCQ: THERMAL PROPERTIES OF MATTER

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Application +4 | -1

A cup of tea cools from

70^{\circ} {C}

60^{\circ} {C}

in 5 minutes and to

50^{\circ} {C}

in next 7 minutes. Assuming Newton's law of cooling, the temperature of surroundings is

View answer and explanation

Correct option: C

30^{\circ} {C}

Option C (

30^{\circ} {C}

) is correct because it is derived from Newton's law of cooling by setting up and solving a system of equations.

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