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Physics
Physics
Problem
An alpha particle (charge
+
2
e
+2e
+
2
e
, mass
4
u
4u
4
u
) and a proton (charge
+
e
+e
+
e
, mass
1
u
1u
1
u
) are each accelerated from rest through the same potential difference of
200
V
200\,\text{V}
200
V
. Determine the ratio
λ
α
λ
p
\dfrac{\lambda_{\alpha}}{\lambda_{p}}
λ
p
λ
α
of their de Broglie wavelengths.
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