Question
You measure two quantities as A = 1.0 m ± 0.2 m, B = 2.0 m ± 0.2 m. We should report correct value for √(AB) as:
Options :
1.4 m ± 0.4 m
1.41m ± 0.15 m
1.4m ± 0.3 m
1.4m ± 0.2 m
Answer :
1.4m ± 0.2 m
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