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Home  >>  AIMS  >>  Class11  >>  Physics  >>  Units and Measurement
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The temperatures of two bodies measured by a thermometer are $ t_1 = 20\: \: ^{\circ}C \pm 0.5 ^{\circ}C$ and $t_2 = 50\: \: ^{\circ}C \pm 0.5\: \: ^{\circ}C$. Calculate the temperature difference and the error theirin.

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$30^{\circ}C \pm 1^{\circ}C$
Hence (A) is the correct answer.
answered May 30, 2014 by thanvigandhi_1

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