MCQ
The uncertainity in the location of circulating electron is equal in it's de-Broglie wavelength the minimum percent error in it's measurement of velocity under this cicumstances will be approximately
- A$4$
- ✓$8$
- C$18$
- D$22$
$\Delta \mathrm{x} \times \Delta \mathrm{V}=\frac{\mathrm{h}}{4 \pi \mathrm{m}}$
$\lambda \times \Delta \mathrm{V}=\frac{\mathrm{h}}{4 \pi \mathrm{m}}$
$\frac{\mathrm{h}}{\mathrm{mv}} \times \Delta \mathrm{V}=\frac{\mathrm{h}}{4 \pi \mathrm{m}}$
$\frac{\Delta V}{V} \%=\frac{1}{4 \pi} \times 100=8$
Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.