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11.Dual Nature of Radiation and matter
medium
Order of q/m ratio of proton, $\alpha $ -particle and electron is
A
$e > p > \alpha $
B
$p > \alpha > e$
C
$e > \alpha > p$
D
None of these
Solution
(a) $\because \,\,\,{m_e} < {m_p} < {m_\alpha }$
==> ${\left( {\frac{q}{m}} \right)_e} > {\left( {\frac{q}{m}} \right)_p} > {\left( {\frac{q}{m}} \right)_\alpha }$
Standard 12
Physics
