Protons and singly ionized atoms of \( U^{235} \& U^{238} \) are passed in turn (which means one...

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Protons and singly ionized atoms of \( U^{235} \& U^{238} \) are passed in turn (which means one after the other and not at the same time) through a velocity selector and then enter a uniform magnetic field. The protons describe semicircles of radius \( 10 \mathrm{~mm} \). The separation between the ions of \( U^{235} \) and \( U^{238} \) after describing semicircle is given by
(a) \( 60 \mathrm{~mm} \)
(b) \( 30 \mathrm{~mm} \)
(c) \( 2350 \mathrm{~mm} \)
(d) \( 2380 \mathrm{~mm} \)
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