Ncert Exercises & Solutions

The measure of two quantities along with the precision of respective measuring instrument is $A = 2 .5 {ms}^{- 1} \pm 0 .5 {ms}^{- 1}, B = 0 .10 s \pm 0 .01 s$ . The value of AB will be:

1. (0.25 $\pm$ 0.08) m

2. (0.25 $\pm$ 0.5) m