MCQ
A ball weighing $10 \,g$ is moving with a velocity of $90\, ms ^{-1}$. If the uncertainty in its velocity is $5\, \%$, then the uncertainty in its position is ....... $\times 10^{-33} \,m$. (Rounded off to the nearest integer) [Given : $\left. h =6.63 \times 10^{-34} \,Js \right]$
- A$10$
- ✓$1$
- C$3$
- D$2$