A body cool from 50.0^(@)C to 39.9^(@)C ...

A body cool from` 50.0^(@)`C to `39.9^(@)`C in 5 s . How long will it take to cool from `40.0^(@)`C to `39.9^(@)`C ? Assume the temperature of surroundings to be `30^(@)`C and Newton's law of cooling to be valid

2.5 s

0.07 s

20 s

5 s

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MHTCET PREVIOUS YEAR PAPERS AND PRACTICE PAPERS|Exercise Paper 1 (Physics & Chemistry)|50 Videos
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MHTCET PREVIOUS YEAR PAPERS AND PRACTICE PAPERS-PRACTICE SET 20-PAPER 1 (Physics & Chemistry)

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