A substance cools from 75-C to 100-C in T1 minute- from 70-C to 65-C in T2 minute and from 65-C to 60-C in T3 minute- then

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Byju's Answer

Standard XII

Chemistry

Molar and Specific Heat Capacity

A substance c...

Question

A substance cools from $75^{\circ} C$ to $100^{\circ} C$ in $T_{1}$ minute, from $70^{\circ} C$ to $65^{\circ} C$ in $T_{2}$ minute and from $65^{\circ} C$ to $60^{\circ} C$ in $T_{3}$ minute, then

T_{1} = T_{2} = T_{3}

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T_{1} < T_{2} < T_{3}

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T_{1} > T_{2} > T_{3}

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T_{1} < T_{2} > T_{3}

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Solution

The correct option is B $T_{1} < T_{2} < T_{3}$
When material's temperature is much more, it tends to cool faster therefore, $T_{1} < T_{2} < T_{3}$ .

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A substance cools from 75∘C to 100∘C in T1 minute, from 70∘C to 65∘C in T2 minute and from 65∘C to 60∘C in T3 minute, then

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