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The initial and final temperatures of wa...

The initial and final temperatures of water as recorded by an observer are `( 40.6 +- 0.2)^(@) C and ( 78.9 +- 0.3 )^(@) C`. Calculate the rise in temperature with proper error limits.

Text Solution

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Given `theta_(1)=(40.6pm0.2)^(@)Cand theta_(2)=(78.3 pm 0.3)^(@)C`
Rise in temperature `theta =theta_(2)-theta_(1)=78.3-40.6=37.7^(@)C,Deltatheta=pm(Delta theta_(1)+Deltatheta_(2))=pm(0.2+0.3)=pm0.5^(@)C`
`:.` Rise in temperature `= (37.7 pm 0.5)^(@)C`
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