Question:
Measure of two quantities along with the precision of respective measuring instrument is
A = 2.5 ms-1 ± 0.5 ms-1, B = 0.10 s ± 0.01 s. The value of AB will be
(a) (0.25 ± 0.08) m
(b) (0.25 ± 0.5) m
(c) (0.25 ± 0.05) m
(d) (0.25 ± 0.135) m
Solution:
The correct answer is (a) (0.25 ± 0.08) m