If a proton is accelerated to a velocity of 3 \\times 10^{7} { m} . {s}^{-1} which is accurate up to \\pm0.5 \%, then the uncertainty in its position will be ______ [ mass of proton =1.66 \\times10^{-27} { kg} \. {h}=6.6 \\times10^{-34} {J} . {s}]

Correct Answer is : 2.11×10−13 m

AP EAPCET 24-Aug-2021 Shift 1 Paper

Section: Chemistry

Question : 121 of 160

Marks: +1, -0

If a proton is accelerated to a velocity of 3×107 m. s−1 which is accurate up to ±0.5%, then the uncertainty in its position will be ______ [ mass of proton =1.66×10−27 kg. h=6.6×10−34 J. s]

1.55×10−12 m
3.24×10−13 m
1.58×10−13 m
2.11×10−13 m

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