A deuteron and an alpha particle having equal kinetic energy enter perpendicularly into a magnetic field. Let \({r}_{d}\) and \({r}_{\alpha }\) be their respective radii of circular path. The value of \(\frac{{r}_{d}}{{r}_{\alpha }}\) is equal to :

[JEE Main 2021, 20 Jul (Shift 1)]

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A deuteron and an alpha particle having equal kinetic energy enter perpendicularly into a magnetic field. Let \({r}_{d}\) and \({r}_{\alpha }\) be their respective radii of circular path. The value of \(\frac{{r}_{d}}{{r}_{\alpha }}\) is equal to :

[JEE Main 2021, 20 Jul (Shift 1)]

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