VITEEE 2019 Paper

Increasing order (lowest first) for the values of e\/m (charge \/ mass) for electron (e), proton (p), neutron (n) and
α -particle (α)‌is‌n,α,p,e
e∕m for neutron =‌

0

1

=0
e∕m for alpha particle =‌

2

4

=0.5
e ∕m for proton =‌

1

1

=1
e∕m for electron =‌

1

(‌ 1 1850 )

=1850
Note: e is the charge of the particle, m is the mass of a particle and the mass of an electron is ‌

1

1850

times the mass of proton.