A body takes, 4 minutes to cool from 100...

A body takes, 4 minutes to cool from `100^(@)C` to `70^(@)C`, if the room temperature is `25^(@)C`, then the time taken to cool from `70^(@)C` to `40^(@)C` will be

A

4

B

5

C

6

D

7

Text Solution

Verified by Experts

The correct Answer is:

D

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MOTION-HEAT TRANSFER & THERMAL EXPANSION -EXERCISE - 1

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