The speed of electrons in a scanning electron microscope P is \( 1 ...

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The speed of electrons in a scanning electron microscope
P is \( 1 \times 10^{7} \mathrm{~ms}^{-1} \). If the protons having the same speed are

W. used instead of electrons, then the resolving power of scanning proton microscope will be changed by a factor of:
[JEE Main-2021 (March)]
(a) \( \frac{1}{1837} \)
(b) 1837
(c) \( \sqrt{1837} \)
(d) \( \frac{1}{\sqrt{1837}} \)
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