According to Newton's law of cooling, th...

According to Newton's law of cooling, the body cools from `100^(@)Cto60^(@)C` in 20 minutes. The temperature of the surrounding being `20^(@)C` The body cool down to `30^(@)C` in

40 minutes

50 minutes

90 minutes

60 minutes

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NIKITA PUBLICATION-APPLICATION OF DEFINITE INTEGRAL-MULTIPLE CHOICE QUESTIONS:(MCQ)

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