Question
The temperatures of two bodies measured by a thermometer are t₁ = 20°C ± 0.5°C and t₂ = 50°C ± 0.5°C. Calculate the temperature difference and the error therein.
Options :
30°C ± 1°C
32°C ± 1°C
33°C ± 1°C
35°C ± 1°C
Answer :
30°C ± 1°C
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