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
(a) 1.4 m± 0.4 m
(b) 1.41 m± 0.15 m
(c) 1.4 m + 0.3 m
(d) 1.4 m± 0.2 m
Solution:
The correct answer is (d) 1.4 m ± 0.2 m
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