If the uncertainty in the position of proton is $ 6 \times 10^{-8} \mathrm{~m} $, then the minimum uncertainty in its speed will be

Question

If the uncertainty in the position of proton is $ 6 \times 10^{-8} \mathrm{~m} $, then the minimum uncertainty in its speed will be, $ 1 \mathrm{cms}^{-1} $, $ 1 \mathrm{~ms}^{-1} $, $ 1 \mathrm{mms}^{-1} $, $ 100 \mathrm{~ms}^{-1} $

MARKS App · Accepted Answer

Δ p = m Δ v = ℏ Δ x or Δ v = ℏ m Δ x = 1.034 × 10 - 34 1.67 × 10 - 27 × 6 × 10 - 8 ≈ 1 m s - 1

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