JEE PHYSICS MCQ: UNITS & MEASUREMENTS

1 Medium

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Application +4 | -1

The initial temperature of a liquid is

{\left( {80.0 \pm 0.1} \right)^0}

C. After it has been cooled, its temperature is

{\left( {10.0 \pm 0.1} \right)^0}

C. The fall in temperature in degree centigrade is

View answer and explanation

Correct option: C

70.0 \pm \;0.2

Option C (

70.0 \pm \;0.2

) is correct because when subtracting quantities, their absolute errors are added.

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