Q. 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:
- 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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