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Problem
Problem
The increasing order (lowest first) for the values of e/m (charge/mass) for electron (
e
e
e
), proton (
p
p
p
), neutron (
n
n
n
) and alpha particle (
α
\alpha
α
) is : a.
e
,
p
,
n
,
α
e, p, n, \alpha
e
,
p
,
n
,
α
b.
n
,
p
,
e
,
α
n, p, e, \alpha
n
,
p
,
e
,
α
c.
n
,
p
,
α
,
e
n, p, \alpha, e
n
,
p
,
α
,
e
d.
n
,
α
,
p
,
e
n, \alpha, p, e
n
,
α
,
p
,
e
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