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A body takes 8 minutes to cool from 90^(...

A body takes 8 minutes to cool from `90^(@) `C to `80^(@)`C in a surrounding of temperature `25^(@)`C. The time taken by it to cool from `80^(@)C " to" 70^(@)`C in the same surroundings is

A

10 min

B

9.6 min

C

12 min

D

16 min

Text Solution

Verified by Experts

The correct Answer is:
B
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AAKASH SERIES-TRANSMISSION OF HEAT-PRACTICE SHEET (EXERCISE-II) Thermal Conduction (LEVEL-II) Straight Objective Type Questions
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