A body takes 4 min. to cool from 61… C to 59… C. If the temperature of the surroundings is 30… C, the time taken by the body to cool from 51… C to 49… C is :

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Properties of Matter

JEE Main 2021 · 27 Jul, Morning shift · Q7973

PhysicsEasy148×since 2002Q7973

A body takes 4 min. to cool from 61

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C to 59

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C. If the temperature of the surroundings is 30

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C, the time taken by the body to cool from 51

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C to 49

^\circ

C is :